Table 1.
Descriptive Characteristics of Included Trials.
| Study | Year | Sample Size (ARIF) | Sample Size (ORIF) | Gender (M/F) (ARIF) | Gender (M/F) (ORIF) | Age (ARIF) | Age (ORIF) | Follow-up Duration (Mo) (ARIF) | Follow-up Duration (Mo) (ORIF) | Schatzker classification | Functional Scale |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Zhou | 2015 | 32 | 32 | 19/13 | 20/12 | 45.3 ± 6.5 | 42.5 ± 7.2 | 13.50 ± 1.07 | 13.80 ± 1.14 | II, III | HSS |
| Bai | 2015 | 64 | 64 | N/A | N/A | N/A | N/A | 12 | 12 | I, II, III | Rasmussen |
| Chen | 2014 | 36 | 21 | N/A | N/A | N/A | N/A | 14 | 14 | I, II, III | HSS |
| Li | 2015 | 34 | 33 | 20/14 | 18/15 | 47.3 ± 14.9 | 45.9 ± 15.2 | 15.8 ± 3.7 | 15.8 ± 3.7 | II, III | Rasmussen |
| Lin | 2010 | 20 | 30 | 15/5 | 21/9 | 44.7 ± 1.31 | 45.1 ± 13.5 | 10.60 ± 3.44 | 10.80 ± 3.09 | II, III | HSS |
| Luan | 2015 | 23 | 22 | 16/7 | 14/8 | 47.4 ± 12.7 | 48.5 ± 11.8 | 9.30 ± 1.5 | 9.50 ± 1.60 | I, II, III | Lysholm |
| Peng | 2012 | 34 | 34 | * | * | * | * | 13 | 13 | II, III | HSS |
| Shen | 2011 | 38 | 20 | 26/12 | 14/6 | 36.1 | 36.8 | 13.1 | 13.4 | II, III | HSS |
| Wang | 2012 | 19 | 19 | 12.7 | 13.6 | 49 | 51 | 6–16 | 6–16 | I, II, III | Lysholm |
| Xie | 2010 | 5 | 5 | ** | ** | ** | ** | 25 | 25 | II, III | Lysholm |
| Zhang | 2009 | 20 | 20 | 12.8 | 11.9 | 42.5 | 43.5 | 12 | 12 | II, III | Lysholm |
| Luo | 2015 | 54 | 54 | 29/25 | 28/26 | 34.3 ± 0.32 | 36.5 ± 0.42 | N/A | N/A | II, III | Rasmussen |
| Zhan | 2016 | 34 | 34 | 19/15 | 20/14 | 39.4 ± 3.8 | 40.3 ± 4.2 | N/A | N/A | II, III | Lysholm |
| Ma | 2014 | 48 | 48 | 27/21 | 26/22 | 34.2 ± 8.5 | 33.8 ± 7.3 | 12 | 12 | I, II, III | HSS |
| Jiang | 2016 | 40 | 40 | 28/12 | 29/11 | 58.6 ± 7.1 | 58.1 ± 7.3 | N/A | N/A | III | Rasmussen |
| Wang | 2015 | 20 | 20 | 13/7 | 12/8 | 34.8 ± 5.1 | 35.3 ± 4.6 | N/A | N/A | I, II, III | HSS |
| Xie | 2016 | 33 | 33 | 17/16 | 18/15 | 40.2 ± 2.2 | 41.5 ± 2.2 | N/A | N/A | I, II, III | Rasmussen |
| Ye | 2016 | 36 | 36 | *** | *** | *** | *** | N/A | N/A | I, II | Rasmussen |
| Chen | 2013 | 44 | 44 | 22/22 | 23/21 | 45.1 ± 12.8 | 45.9 ± 12.7 | N/A | N/A | I, II, III | Rasmussen |
| Liu | 2009 | 15 | 14 | 9/6 | 8/6 | 34.2 ± 6.0 | 35.4 ± 3.6 | N/A | N/A | I, II, III | Rasmussen |
Note: ARIF, arthroscopy assisted reduction percutaneous internal fixation; ORIF, open reduction internal fixation; M/F, male/female; Mo, month; HSS, Hospital for Special Surgery knee-rating score; Rasmussen, Rasmussen clinical assessment score; Lysholm, Lysholm score; N/A, Not Available; *a general M/F ratio of 50/18, a mean age was 36.4 ± 9.0 years; **a general M/F ratio of 5/5, a mean age was 39.5 years; ***a general M/F ratio of 39/33, a mean age was 42.4 ± 17.5 years.