{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T20:33:37Z","timestamp":1789590817211,"version":"build-2803163510"},"reference-count":29,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","license":[{"start":{"date-parts":[[2021,2,1]],"date-time":"2021-02-01T00:00:00Z","timestamp":1612137600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Context:<\/jats:title>\n                    <jats:p>Chronic lower back pain (CLBP) and Vitamin D deficiency are two common conditions presenting to primary care physicians.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>To study the vitamin D status in North Indians presenting with nonspecific CLBP and the correlation between vitamin D levels and pain severity by the Visual Analogue Scale (VAS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Settings and Design:<\/jats:title>\n                    <jats:p>An observational study. Record of all CLBP patients presenting to the outpatient department in 2019, were analyzed, retrospectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and Materials:<\/jats:title>\n                    <jats:p>All the patients of age 18 to 65 and either sex with nonspecific CLBP were included. Patients were divided into two: Vitamin D deficient (Group 1) and normal (Group 2) with cut off Serum Vitamin D values at 30 ng\/mL. Demographic data and Visual Analogue Scale scores (VAS) of both groups were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Statistical Analysis Used:<\/jats:title>\n                    <jats:p>Correlations between Vitamin D values and VAS scores were investigated using the Spearman coefficient, and the results with P of \u2264 0.05 were contemplated significant.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Of total 376 patients with nonspecific CLBP, the majority were adults, females, married, vegetarians, overweight or obese, and had a mean sun exposure time of two hours. Vitamin D deficient Group 1 had 302 (80.32%) patients with significantly lower (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.0001) mean vitamin D levels compared to Group 2 (74 patients i.e., 19.68%). Spearman's rho coefficient between vitamin D and VAS, showed a negative correlation (\u20130.554), with a\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      value &lt; 0.00001.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>This study indicated a high probability of vitamin D deficiency in the nonspecific CLBP population and a negative correlation between vitamin D status and pain severity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/jfmpc.jfmpc_1478_20","type":"journal-article","created":{"date-parts":[[2021,2,26]],"date-time":"2021-02-26T15:18:45Z","timestamp":1614352725000},"page":"893-897","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":10,"title":["Correlation between Vitamin D deficiency and nonspecific chronic low back pain: A retrospective observational study"],"prefix":"10.4103","volume":"10","author":[{"given":"Vinay","family":"Kanaujia","sequence":"first","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation (PMR), AIIMS Rishikesh, Uttarakhand, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raj Kumar","family":"Yadav","sequence":"additional","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation (PMR), AIIMS Rishikesh, Uttarakhand, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shipra","family":"Verma","sequence":"additional","affiliation":[{"name":"Department of Anesthesia, AIIMS Rishikesh, Uttarakhand, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sakshi","family":"Jain","sequence":"additional","affiliation":[{"name":"Department of Physical Medicine & Rehabilitation (PMR), VMMC & Safdarjung Hospital, New Delhi, 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