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Available data about the main outcomes were extracted from each study and heterogeneity was assessed using the Q statistic and the inconsistency index (<jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>). We also evaluated the publication bias and conducted a subgroup analysis. Review Manager 5.2 software was used for data syntheses and analyses, and the standardized mean difference (SMD) or mean difference (MD) was estimated by using random effects models with a 95% confidence interval (CI). To investigate the efficacy among different trial durations, the follow\u2010up times were divided into short periods (2\u20104 weeks), intermediate periods (6\u201024 weeks) and long\u2010term periods (\u226524 weeks).<\/jats:p><\/jats:sec><jats:sec><jats:title>Synthesis<\/jats:title><jats:p>Ten RCTs (n = 509) were included in this meta\u2010analysis. The pooled analysis showed that CSIs were more effective than ABPs for pain relief in the short term (SMD = 0.88; 95% CI = 0.31\u20101.46%; <jats:italic>P<\/jats:italic> = .003). However, in the intermediate term, ABPs exhibited a better therapeutic effect for pain relief (SMD = \u22120.38; 95% CI = \u22120.70 to \u22120.07%; <jats:italic>P<\/jats:italic> = .02), function (SMD = \u22120.60; 95% CI = \u22121.13 to \u22120.08%; <jats:italic>P<\/jats:italic> = .03), disabilities of the arm, shoulder, and hand (MD = \u221211.04; 95% CI = \u221221.72 to \u22120.36%; <jats:italic>P<\/jats:italic> = .04), and Nirschl stage (MD = \u22120.81; 95% CI = \u22121.11 to \u22120.51%; <jats:italic>P<\/jats:italic> &lt; .0001). In the long term, ABPs were superior to CSIs for pain relief (SMD = \u22120.94; 95% CI = \u22121.32 to \u22120.57%; <jats:italic>P<\/jats:italic> &lt; .0001) and Nirschl stage (MD = \u22121.04; 95% CI = \u22121.66 to \u22120.42%; <jats:italic>P<\/jats:italic> = .001). Moreover, for grip strength recovery, no significant difference was found between the 2 therapies (<jats:italic>P<\/jats:italic> &gt; .05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Limited evidence supports the conclusion that CSIs are superior to ABPs for pain relief in the short term; however, this result was reversed in the intermediate and long term. ABPs seemed to be more effective at restoring function in the intermediate term. Because of the small sample size and the limited number of high\u2010quality RCTs, more high\u2010quality RCTs with large sample sizes are required to validate this result.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.pmrj.2016.02.008","type":"journal-article","created":{"date-parts":[[2016,3,9]],"date-time":"2016-03-09T03:47:20Z","timestamp":1457495240000},"page":"780-791","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Efficacy and Safety of Autologous Blood Products Compared With Corticosteroid Injections in the Treatment of Lateral Epicondylitis: A Meta\u2010Analysis of Randomized Controlled Trials"],"prefix":"10.1002","volume":"8","author":[{"given":"Xuankun","family":"Qian","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiao","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kongkong","family":"Wei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bin","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pengju","family":"Jing","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianmin","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,3,9]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/aje\/kwj325"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/rheumatology\/ker228"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.176.3.1760777"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1148\/rg.301095078"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-006-0060-7"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1742-1241.2006.01140.x"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.ajp.0000125268.40304.b3"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1136\/ard.2008.099572"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(10)61160-9"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-010-1167-3"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.orthres.2004.08.015"},{"key":"e_1_2_6_13_2","first-page":"191525","article-title":"Effect of platelet\u2010rich plasma (PRP) versus autologous whole blood on pain and function improvement in tennis elbow: A randomized clinical trial","volume":"2014","author":"Raeissadat S.A.","year":"2014","journal-title":"Pain Res Treat"},{"key":"e_1_2_6_14_2","doi-asserted-by":"crossref","first-page":"393","DOI":"10.5812\/traumamon.5095","article-title":"Autologous blood injection for treatment of tennis elbow","volume":"17","author":"Karimi Mobarakeh M.","year":"2013","journal-title":"Trauma Mon"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546512458237"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546509355445"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.K.00154"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11552-014-9642-x"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1097\/NOR.0000000000000081"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-151-4-200908180-00136"},{"key":"e_1_2_6_21_2","doi-asserted-by":"crossref","first-page":"A357","DOI":"10.1016\/j.jval.2012.08.916","article-title":"The cost effectiveness of platelet rich plasma versus corticosteroids in the treatment of lateral epicondylitis","volume":"15","author":"Peerbooms J.C.","year":"2012","journal-title":"Value Health"},{"key":"e_1_2_6_22_2","doi-asserted-by":"crossref","first-page":"e185","DOI":"10.1016\/j.arthro.2011.08.174","article-title":"PRP or steroids in lateral epicondylitis? 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