Table 1.

Baseline characteristics

Age in years ± SD (min–max)	81 ± 8 (60–99)
Sex (n=)
Female	293 (73%)
Male	109 (37%)
Fracture classification (n=)
Nondisplaced femoral neck fracture	24 (6%)
Displaced femoral neck fracture	171 (43%)
Stable pertrochanteric fracture	65 (16%)
Unstable pertrochanteric fracture	121 (30%)
Subtrochanteric fracture	21 (5%)
ASA Score ± SD (min–max)	2.9 ± 0.6 (1–5)
Charlson Comorbidity Index ± SD (min–max)	2.4 ± 2.3 (0–12)
MMSE ± SD (min–max)	20 ± 9 (0–30)
Time between hospital admission and surgery in hours ± SD (min–max)	18 ± 13 (1–92)
Surgical procedure
Screw fixation (dynamic hip screw, cannulated screws)	27 (7%)
Intramedullary nail	210 (52%)
Hemiarthroplasty	143 (36%)
Total hip arthroplasty	22 (6%)
Length of stay in days ± SD (min–max)	14 ± 6 (2–50)
Most common complications (n=)
Type II	110
1. Urinary tract infection	92
2. Pneumonia	7
3. Newly occurred atrial fibrillation	3
Type III	47
1. Hematoma/seroma	19
2. Pleural effusion	12
3. Wound infection	5
Type IV	21
1. Myocardial infarction	10
2. Acute renal failure requiring dialysis	3
3. Stroke	3

SD standard deviation, ASA American Society of Anesthesiologists, MMSE Mini-Mental Status Examination