Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Demographics of the sample data and characteristics of the included studies
Study | Country | Study type | Minors | Sample size | Female, N (%) | Age, mean (years) | Follow-up mean (months) | AO classification |
|---|---|---|---|---|---|---|---|---|
Weißer 2003 [29] | Germany | P. cohort | 15 | 32 | 9 (28%) | 36.7 | 16.1 | NR |
Gao 2005 [24] | China | R. cohort | 12 | 18 | 4 (22.2%) | 46 | 13 | A (16%) B (55%) C (27%) |
Weckbach 2006 [25] | Germany | P. cohort | 15 | 32 | 9 (28.12%) | 36.7 | 31.4 | A (55%) B (32%) C (13%) |
Visńa 2008 [30] | Czech republic | R. cohort | 12 | 78 | 28 (35.89%) | 37.02 | 25 | A (37.1) B (38.4%) C (24.3) |
Lee 2008 [6] | South Korea | R. cohort | 12 | 27 | NR | 32 | 17 | A (32%) B (50%) C (18%) |
Ozkaya 2009 [31] | Turkey | Case control | 11 | 42 | 13 (31%) | 32.5 | 26.5 | NR |
Bansal 2011 [32] | India | P. cohort | 15 | 12 | 3 (25%) | 32 | 28 | A (33%) B (50%) C (16%) |
Behnke 2012 [12] | Canada | Case control | 14 | 56 | 16 | 31.7 | 16.5 | NR |
Lil 2012 [33] | India | P. cohort | 16 | 34 | 10 | 38.1 | 18 | NR |
Saka 2013 [34] | Turkey | R. cohort | 11 | 18 | 5 (28%) | 28 | 24 (12–36) | A (60%) B (35%), C (1%) |
Lee 2014 [15] | South Korea | RCT | *Some concerns | 67 | 22 (33%) | 41 | 20 (18–65) | A (45%) B (55%) |
Saka 2014 [35] | Turkey | R. cohort | 12 | 23 | 6 (26%) | 34 | 27 (12–42) | A (83%) B (17%) |
Saka 2014 [26] | Turkey | R. cohort | 12 | 43 | 5 (12%) | 37 | 28 (12–44) | A (72%) B (28%) |
Köse 2014 [36] | Turkey | R. cohort | 10 | 18 | 5 (27%) | 35 | 17.7 | A (44%) B (44%) C (11%) |
Kim 2015 [13] | South Korea | Case control | 13 | 47 | 17(36%) | 47.3 | 16.2 | A (36%) B (29%) C (35%) |
Zhang 2016 [10] | China | RCT | *Some concerns | 87 | 40 (46%) | 38.03 | 23.4 (12–26) | NR |
Al-Sadek 2016 [37] | UAE | Case control | 12 | 45 | NR | NR | NR | 2R2, 2U2 |
Köse 2016 [38] | Turkey | R. cohort | 12 | 17 | 6 (35.3%) | 35.7 | 38 (36–52) | A (76%) B (24%) |
Babu 2017 [39] | India | R. cohort | 12 | 68 | NR | NR | 5 (2–8) | NR |
Kose 2017 [17] | Turkey | Case control | 14 | 90 | 42 (47%) | 37 | 15 | A (36.6) B (33.3%) C (30%) |
Azboy 2017 [20] | Turkey | R. cohort | 11 | 32 | 9 (28.1%) | 36 | 17(13–28) | A (37.5%) B (40.6) C (21.8%) |
Yörükoğlu 2017 [28] | Turkey | R. cohort | 12 | 23 | 6 (26%) | 38.6 | 31 ± 16 | A (39.1%) B (47.8%) C (13%) |
Kibar 2019 [16] | Turkey | Case control | 14 | 57 | 19 (33.3%) | 39.1 | 25 (12–60) | A (63.2%) B (29.8%) C (7%) |
Lee 2019 [40] | South Korea | Case control | 14 | 101 | 35 (34.7%) | 42 | 34 (24–67) | A (48%) B (51%) |
Kibar 2020 [14] | Turkey | R. cohort | 12 | 49 | 10 (20.4%) | 35 | 26 (12–48) | A (73%) B (24%) C (2%) |
Uygur 2021 [41] | Turkey | R. cohort | 12 | 78 | 25 (32%) | 33.4 | 26.4 (12–46) | 2R2 2U2 |
Pavone 2021 [11] | Italy | Case control | 15 | 23 | 7 (30.4%) | 46.4 | 12 | 2U2 |
Kale 2021 [19] | India | P. cohort | 16 | 30 | 7 (23%) | 33.5 | NR | A (76.6%) B (13.3%) C (10%) |
Blažević 2021 [18] | Croatia | R. cohort | 12 | 21 | 6 (28%) | 38 | NR | A (71.4%) B (19%) C (9.5%) |
Aggregate values | Total: 1268 | % female 26.6% | Mean 36.97 | Mean 22.41 SD 7.55 | AO: A 384/B 274/C 104 Fracture: BB 810/R 243/U 272 |