Table 1 Baseline characteristics of hip fracture patients over 80 years old in unmatched cohorts
Hemoglobin (g/dl) | P value | ||
|---|---|---|---|
< 11 (n = 591) | ≥ 11 (n = 321) | ||
Age, years | 85.64 (3.9) | 84.86 (3.7) | 0.002 |
ASA physical status | |||
II | 292 (49.4) | 184 (57.3) | 0.031 |
III | 298 (50.4) | 136 (42.4) | |
IV | 1 (0.2) | 1 (0.3) | |
Female sex | 459 (77.7) | 210 (65.4) | < 0.001 |
Preoperative days | 4 [2,5] | 4 [3,5] | 0.004 |
COPD | 156 (26.4) | 105 (32.7) | 0.044 |
Hypertension | 318 (53.8) | 194 (60.4) | 0.054 |
Diabetes | 98 (16.6) | 71 (22.1) | 0.040 |
CAD | 46 (7.8) | 25 (7.8) | 0.998 |
Heart failure | 6 (1.0) | 2 (0.6) | 0.814 |
Atrial fibrillation | 16 (2.7) | 3 (0.9) | 0.073 |
Stroke | 89 (15.1) | 42 (13.1) | 0.417 |
Chronic kidney failure | 8 (1.4) | 0 (0.0) | 0.085 |
Cancer | 27 (4.6) | 16 (5.0) | 0.777 |
Dementia | 16 (2.7) | 9 (2.8) | 0.932 |
Depression | 2 (0.3) | 2 (0.6) | 0.616 |
Parkinson | 12 (2.0) | 8 (2.5) | 0.649 |
Pneumonia | 12 (2.0) | 6 (1.9) | 0.867 |
Lung function | |||
No to mild lung function decline | 417 (70.6) | 201 (62.6) | 0.013 |
Moderate lung function decline | 88 (14.9) | 72 (22.4) | |
Severe lung function decline | 86 (14.6) | 48 (15.0) | |
Diagnosis | |||
Femoral neck fracture | 184 (31.1) | 216 (67.3) | < 0.001 |
Intertrochanteric fracture | 386 (65.3) | 101 (31.5) | |
Subtrochanteric fracture | 2 (0.3) | 1 (0.3) | |
Other | 19 (3.2) | 3 (0.9) | |
Anesthesia technique | |||
With nerve block | 321 (54.3) | 136 (42.4) | < 0.001 |
Without nerve block | 157 (26.6) | 128 (39.9) | |
Epidural Anesthesia | 113 (19.1) | 57 (7.8) | |
Surgery type | |||
Internal fixation | 402 (68.0) | 110 (34.3) | < 0.001 |
Hemiarthroplasty | 155 (26.2) | 165(51.4) | |
Arthroplasty | 34 (5.8) | 46 (14.3) | |
Duration of anesthesia, min | 160 [125,195] | 170 [135,205] | 0.001 |
Duration of surgery, min | 50 [40,65] | 55 [40,65] | 0.004 |