Table 1.
Characteristics of included studies.
| Author | Group | Cases (n) | Mean age (year) | Female (n, %) | Garden type (I, II, III, IV) | Pauwels type (I, II, III) | Follow-up (months) |
|---|---|---|---|---|---|---|---|
| Hu HJ | FNS | 20 | 50.45 ± 8.45 | 8 (40%) | 0,6,8,6 | 1,14,5 | 12 |
| CCS | 24 | 50.46 ± 9.26 | 10 (41.7%) | 4,6,7,7 | 4,13,7 | ||
| Tang YF | FNS | 47 | 57.4 ± 15.0 | 13 (22.7%) | 0,6,29,12 | 5,12,30 | 14-24 |
| CCS | 45 | 54.8 ± 11.7 | 8 (17.8%) | 0,5,31,9 | 6,10,29 | ||
| Vazquez O | FNS | 15 | 86.1 ± 4.6 | 13 (86.7%) | I, II | NR | 6 |
| CCS | 32 | 85 ± 6.6 | 28 (87.5%) | I, II | NR | ||
| Yan CP | FNS | 24 | 52 (47, 63) | 14 (58.3%) | 0,4,12,8 | 0,6,18 | 3-12 |
| CCS | 58 | 49 (47, 56) | 20 (34.5%) | 2,10,32,14 | 0,22,36 | 6-18 | |
| Yang JZ | FNS | 28 | 51 (45, 56) | 11 (39.3%) | 0,5,12,11 | 0,0,28 | 3-14 |
| CCS | 31 | 49 (39, 51) | 14 (45.2%) | 0,4,16,11 | 0,0,31 | ||
| Yang YJ | FNS | 15 | 42 | 6 (40%) | 2,4,11,2 | NR | 6 |
| CCS | 19 | 41.2 | 7 (36.8%) | 1,3,10,1 | NR | ||
| Zhou XQ | FNS | 30 | 54.53 ± 6.71 | 18 (60%) | NR | 0,0,30 | 10-22 |
| CCS | 30 | 53.14 ± 7.19 | 18 (60%) | NR | 0,0,51 |
FNS: Femoral neck system, CCS: Cannulated cancellous screw, NR: Not reported.