Table 2.
Characteristics of patients according to fracture type
| Factor | Undisplaced FNFs | Displaced FNFs | Trochanteric 2-fragmented | Trochanteric multifragmented | Intertrochanteric/ subtrochanteric |
| Total number | 4,220 | 13,098 | 5,077 | 5,000 | 2,303 |
| Mean age at fracture | 80 | 83 | 83 | 84 | 83 |
| Women, n (%) | 2,292 (69) | 9,023 (69) | 3,554 (70) | 3,750 (75) | 1,750 (76) |
| ASA score, n (%): | |||||
| ASA 1–2 | 1,730 (41) | 4,453 (34) | 1,777 (35) | 1,700 (34) | 806 (35) |
| ASA 3–5 | 2,490 (59) | 8,645 (66) | 3,300 (65) | 3,300 (66) | 1,497 (65) |
| Duration of surgery, minutes | 32 | 72 | 52 | 61 | 89 |
| Experienced surgeons, n (%) | 2,954 (70) | 11,919 (91) | 3,503 (69) | 3,750 (75) | 2,027 (88) |
| Median follow-up, years | 1.4 | 1.3 | 1.2 | 1.2 | 1.2 |
FNF: femoral neck fracture.