Table 2 Characteristics of femoral neck shorting
Variable | Total (n = 113) | FNS ≤ 5 mm (n = 78) | FNS > 5 mm (n = 35) | P value |
|---|---|---|---|---|
Mean age (years)γ | 48.4 ± 13.4 | 46.6 ± 14.0 | 52.5 ± 11.2 | 0.030 |
Age (No, %)* | ||||
 ≤ 60 years | 90 | 66 (73) | 24 (27) | 0.050 |
 > 60 years | 23 | 12 (52) | 11 (48) |  |
Gender (No, %)* | ||||
 Male | 67 | 47 (70) | 20 (30) | 0.755 |
 Female | 46 | 31 (67) | 15 (33) |  |
Fracture side (No, %)* | ||||
 Left | 59 | 37 (63) | 22 (37) | 0.129 |
 Right | 54 | 41 (76) | 13 (24) |  |
Fracture displacement (No, %)* | ||||
 Nondisplaced | 45 | 35 (78) | 10 (22) | 0.102 |
 Displaced | 68 | 43 (63) | 25 (37) |  |
Fracture stability (No, %)* | ||||
 Stable | 69 | 48 (70) | 21 (30) | 0.877 |
 Unstable | 44 | 30 (68) | 14 (32) |  |
Fixation configuration (No, %)* | ||||
 Triangle | 49 | 33 (67) | 16 (33) | 0.739 |
 Inverted triangle | 64 | 45 (70) | 19 (30) |  |
Screws number (No, %)# | ||||
 3 | 108 | 74 (69) | 34 (31) | 1.000 |
 4 | 5 | 4 (80) | 1 (20) |  |