Table 2 Baseline characteristics according to group allocation
Control (CG) n=272 | Intervention (IG) n=279 | |
|---|---|---|
Age | 84.9 ± 6.2 | 85.2 ± 7.4 |
65 to < 75 years | 15 (5.5%) | 30 (10.8%) |
75 to < 85 years | 125 (46.0%) | 97 (34.8%) |
≥ 85 years | 132 (48.5%) | 152 (54.5%) |
Gender | ||
Male | 84 (30.9%) | 68 (24.4%) |
Female | 188 (69.1%) | 211 (75.6%) |
ASA | ||
I–II | 85 (31.2%) | 41 (14.7%) |
III–IV | 187 (68.8%) | 238 (85.3%) |
Charlson comorbidity index | ||
Absence de comorbidity (0–1) | 125 (46.0%) | 109 (39.1%) |
Low comorbidity (2) | 50 (18.4%) | 57 (20.4%) |
High comorbidity (3 or more) | 97 (35.7%) | 113 (40.5%) |
Cardiovascular history | ||
Valvulopathy | 21 (7.7%) | 31 (11.1%) |
Arrhythmia | 73 (26.8%) | 58 (20.8%) |
Ischemic cardiopathy | 17 (6.3%) | 29 (10.4%) |
Pulmonary thromboembolism (PTE) | 1 (0.4%) | 3 (1.1%) |
Hypertension | 177 (65.1%) | 212 (76.0%) |
Total number of drugs | 6 (IQR 4 to 8) | 7 (IQR 5 to 10) |
≤ 4 drugs | 89 (32.7%) | 68 (24.4%) |
> 4 drugs | 183 (67.3%) | 211 (75.6%) |
Type of fracture | ||
Intra-capsular | 121 (44.5%) | 124 (44.4%) |
Extra-capsular | 151 (55.5%) | 155 (55.6%) |
Haemoglobin at admission | ||
Haemoglobin > 12 g/dl | 159 (58.5%) | 169 (60.6%) |
Haemoglobin ≤ 12 g/dl | 113 (41.5%) | 110 (39.4%) |
Creatinine at admission | ||
Creatinine ≤ 1.09 mg/dl | 178 (65.7%) | 175 (62.7%) |
Creatinine > 1.09 mg/dl | 93 (34.3%) | 104 (37.3%) |
Anaesthesia | ||
General | 28 (10.3%) | 28 (10.0%) |
Spinal | 244 (89.7%) | 251 (90.0%) |
Type of implant | ||
Hip prosthesis | 103 (37.9%) | 102 (36.6%) |
Dynamic hip screw | 122 (44.9%) | 57 (20.4%) |
Intramedullary nail | 43 (15.8%) | 118 (42.3%) |
Others | 4 (1.5%) | 2 (0.7%) |
Surgical delay | ||
≤ 48 h | 150 (55.1) | 191 (68.5) |
> 48 h | 122 (44.9) | 88 (31.5) |
Surgery time (minutes) | 80 (IQR 65 to 105) | 90 (IQR 70 to 120) |