Table 2.
Clinical characteristics of geriatric hip fracture patients.
| Surgery ≤24 h (N = 151,307) |
Surgery >24 h (N = 103,093) |
P-value | |
|---|---|---|---|
| Head AIS, n (%) | <0.001 | ||
| Injury not present | 146,865 (97.1) | 99,578 (96.6) | |
| 1 | 4,442 (2.9) | 3,515 (3.4) | |
| Face AIS, n (%) | <0.001 | ||
| Injury not present | 147,612 (97.6) | 100,263 (97.3) | |
| 1 | 3,695 (2.4) | 2,830 (2.7) | |
| Neck AIS, n (%) | 0.991 | ||
| Injury not present | 151,213 (99.9) | 103,028 (99.9) | |
| 1 | 94 (0.1) | 65 (0.1) | |
| Spine AIS, n (%) | 0.030 | ||
| Injury not present | 151,170 (99.9) | 102,970 (99.9) | |
| 1 | 137 (0.1) | 123 (0.1) | |
| Thorax AIS, n (%) | <0.001 | ||
| Injury not present | 150,468 (99.4) | 102,383 (99.3) | |
| 1 | 839 (0.6) | 710 (0.7) | |
| Abdomen AIS, n (%) | <0.001 | ||
| Injury not present | 150,975 (99.8) | 102,731 (99.6) | |
| 1 | 332 (0.2) | 362 (0.4) | |
| Upper extremity AIS, n (%) | 0.025 | ||
| Injury not present | 139,932 (92.5) | 95,094 (92.2) | |
| 1 | 11,375 (7.5) | 7,999 (7.8) | |
| Lower extremity AIS, n (%) | 0.054 | ||
| 3 | 151,294 (100.0) | 103,076 (100.0) | |
| 4 | 11 (0.0) | 16 (0.0) | |
| 5 | 1 (0.0) | 0 (0.0) | |
| Missing | 1 (0.0) | 1 (0.0) | |
| External AIS, n (%) | <0.001 | ||
| Injury not present | 150,420 (99.4) | 102,306 (99.2) | |
| 1 | 887 (0.6) | 787 (0.8) | |
| Systolic blood pressure, mean (SD) | 151 (±27.3) | 149 (±28.0) | <0.001 |
| Missing, n (%) | 5581 (3.7) | 3699 (3.6) | |
| Pulse rate, mean (SD) | 80.5 (±15.1) | 81.1 (±16.2) | <0.001 |
| Missing, n (%) | 5464 (3.6) | 3640 (3.5) | |
| Temperature, mean (SD) | 36.7 (±0.6) | 36.7 (±0.7) | <0.001 |
| Missing, n (%) | 10,692 (7.1) | 7,345 (7.1) | |
| Oxygen saturation, median [IQR] | 97 [95–98] | 97 [94–98] | 0.163 |
| Missing, n (%) | 7,576 (5.0) | 5,290 (5.1) | |
| Respiratory rate, mean (SD) | 17.8 (±3.0) | 18.0 (±3.2) | <0.001 |
| Missing, n (%) | 6,674 (4.4) | 4,324 (4.2) | |
| Type of fracture, n (%) | <0.001 | ||
| Cervical | 52,879 (34.9) | 39,946 (38.7) | |
| Basicervical | 7,838 (5.2) | 5,600 (5.4) | |
| Pertrochanteric | 76,657 (50.7) | 47,306 (45.9) | |
| Subtrochanteric | 5,195 (3.4) | 3,252 (3.2) | |
| Missing | 8,738 (5.8) | 6,989 (6.8) | |
| Type of surgery, n (%) | <0.001 | ||
| Internal fixation | 101,964 (67.4) | 62,996 (61.1) | |
| Arthroplasty | 49,343 (32.6) | 40,097 (38.9) |
Systolic blood pressure is measured in mmHg. Temperature is measured in degrees Celsius.
AIS, abbreviated injury scale.