{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T22:06:12Z","timestamp":1777327572765,"version":"3.51.4"},"reference-count":38,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T00:00:00Z","timestamp":1767571200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Medical Science Research Program of Hebei Province in 2023","award":["20231741"],"award-info":[{"award-number":["20231741"]}]},{"DOI":"10.13039\/501100003787","name":"Natural Science Foundation of Hebei Province","doi-asserted-by":"crossref","award":["C201140102"],"award-info":[{"award-number":["C201140102"]}],"id":[{"id":"10.13039\/501100003787","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Vaginal microecology can reveal the health of the female reproductive tract directly. Female vaginal microecology reflects the state of female reproductive tract health. This study aimed to utilize a variety of female vaginal microecological indicators to comprehensively assess the relationship between the level of vaginal microecological health and\n                      <jats:italic>Ureaplasma urealyticum<\/jats:italic>\n                      (UU) infection in women.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A total of 408 participants were included in this study, including 144 UU-positive and 264 UU-negative individuals. Clinical information of the participants was collected, and vaginal microecological indicators (cleanliness, hydrogen peroxide (H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      ), leukocyte esterase (LEU), sialidase (SNA), N-acetyl glucosidase (NAG), and\n                      <jats:italic>\u03b2<\/jats:italic>\n                      -glucuronidase (GUS)) were tested. The measurement data were expressed as mean\u00a0\u00b1\u00a0standard deviation (x\u00a0\u00b1\u00a0s), and the comparison of data between groups was performed using a\n                      <jats:italic>t<\/jats:italic>\n                      -test; count data were expressed as the number of cases (percentage) (\n                      <jats:italic>n<\/jats:italic>\n                      [%]), and the data between groups were compared using the chi-square test. Univariate and multivariate logistic regression model analyses explored the factors modifying infection with UU.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      UU-positive patients exhibited higher rates of cleanliness positivity, H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      positivity, LEU positivity, SNA positivity, NAG positivity, and GUS compared to UU negative patients (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.05) . The univariate logistic regression model found that cleanliness, H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      , LEU, SNA, NAG, and GUS were risk factors for UU infection in women (Cleanliness: odds ratio [\n                      <jats:italic>OR<\/jats:italic>\n                      ] = 4.30, 95% confidence interval [\n                      <jats:italic>CI<\/jats:italic>\n                      ] [2.79\u20136.63]); H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      :\n                      <jats:italic>OR<\/jats:italic>\n                      = 9.01, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [5.33\u201315.23]; LEU:\n                      <jats:italic>OR<\/jats:italic>\n                      = 1.88, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [1.22\u20132.91]; s SNA:\n                      <jats:italic>OR<\/jats:italic>\n                      = 5.53, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [2.73\u201311.19]; NAG:\n                      <jats:italic>OR<\/jats:italic>\n                      = 2.41, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [1.35\u20134.30]; and GUS:\n                      <jats:italic>OR<\/jats:italic>\n                      = 1.95, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [1.21\u20133.15]) . The multivariate logistic regression model found that the independent risk factors for UU infection in patients were cleanliness (\n                      <jats:italic>OR<\/jats:italic>\n                      = 3.00, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [1.66\u20135.43]) and H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      (\n                      <jats:italic>OR<\/jats:italic>\n                      = 7.24, 95%\n                      <jats:italic>CI<\/jats:italic>\n                      [4.19\u201312.51]).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Vaginal cleanliness and H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      abnormalities are risk factors for UU infections in women. Therefore, female UU infections can be prevented by maintaining vaginal microecology.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.7717\/peerj.19783","type":"journal-article","created":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T08:00:26Z","timestamp":1767600026000},"page":"e19783","source":"Crossref","is-referenced-by-count":1,"title":["The critical relationship between vaginal microecology and\n                    <i>Ureaplasma urealyticum:<\/i>\n                    a retrospective study"],"prefix":"10.7717","volume":"14","author":[{"given":"YanHong","family":"Liu","sequence":"first","affiliation":[{"name":"Clinical Laboratory, Tangshan Fengnan District Hospital, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Zheng","sequence":"additional","affiliation":[{"name":"Clinical Laboratory, Tangshan Fengnan District Hospital, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junpeng","family":"Zhao","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention, Tangshan, Hebei, China"},{"name":"Food and Drug Inspection Center, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuhong","family":"Yao","sequence":"additional","affiliation":[{"name":"Department of Reproductive Genetics, Tangshan Maternal and Children Health Hospital, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongxue","family":"Gao","sequence":"additional","affiliation":[{"name":"Nursing Department, Tangshan Workers\u2019 Hospital, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wenjie","family":"Qi","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Tangshan Maternal and Children Health Hospital, Tangshan,  Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yingmei","family":"Wang","sequence":"additional","affiliation":[{"name":"Nursing Department, Tangshan Fengnan District Hospital, Tanagshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinyin","family":"Yan","sequence":"additional","affiliation":[{"name":"Department of Breast Surgery, Tangshan Central Hospital, Tangshan, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"4443","published-online":{"date-parts":[[2026,1,5]]},"reference":[{"key":"10.7717\/peerj.19783\/ref-1","doi-asserted-by":"publisher","first-page":"672429","DOI":"10.3389\/fcimb.2021.672429","article-title":"Bacterial vaginosis: what do we currently know?","volume":"11","author":"Abou Chacra","year":"2022","journal-title":"Frontiers in Cellular and Infection 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