Table 1 Demographic and clinical, preoperative, intraoperative, and postoperative characteristics of patients by mFI-5 Categories
Variables | mFI-5 (0–1) | mFI-5 (> 1) | P-values |
|---|---|---|---|
N = 313 | N = 185 |  | |
Demographic and Clinical Characteristics | |||
Age in years | Median (IQR): 50 (36–63) years | Median (IQR): 65 (58–72) years |  < 0.001 |
Sex Male Female | 164 (52.40%) 149 (47.60%) | 88 (47.57%) 97 (52.43%) | 0.298 |
BMI | Median: 25.78 (IQR: 23.33–29.21) | Median: 27.54 (IQR: 23.62–30.04) | 0.424* |
Presence of Diabetes Yes No | 12 (3.83%) 301 (96.17%) | 110 (59.46%) 75 (40.54%) |  < 0.001 |
Presence of Asthma/COPD Yes No | 5 (1.60%) 308 (98.40%) | 22 (11.89%) 163 (88.11%) |  < 0.001 |
Presence of Hypertension Yes No | 65 (20.77%) 248 (79.23%) | 170 (91.89%) 15 (8.11%) |  < 0.001 |
Presence of IHD Yes No | 5 (1.60%) 308 (98.40%) | 54 (29.19%) 131 (70.81%) |  < 0.001 |
Ambulatory Status Home with support/non-ambulatory/CBR No support needed | 30 (9.58%) 283 (90.42%) | 72 (38.92%) 113 (61.08%) |  < 0.001 |
Primary Diagnosis AVN Dysplastic Hip Failed Hip Fracture OA Others (Inflammatory Arthritis/ girdlestone/ Loosening of Prosthesis/ periprosthetic fracture/ Protrusio acetabuli) | 82 (26.20%) 24 (7.67%) 21 (6.71%) 88 (28.12%) 73 (23.32%) 25 (7.99%) | 24 (12.97%) 1 (0.54%) 31 (16.76%) 95 (51.35%) 24 (12.97%) 10 (5.41%) |  < 0.001 |
Type of Hip Replacement Surgery Left Right Simultaneous Bilateral Staged Bilateral | 143 (45.69%) 128 (40.89%) 26 (8.31%) 16 (5.11%) | 79 (42.70%) 97 (52.43%) 4 (2.16%) 5 (2.70%) | 0.004$ |
Preoperative Characteristics | |||
ASA Grade 1 2 3 4 | 66 (21.09%) 188 (60.06%) 58 (18.53%) 1 (0.32%) | 2 (1.08%) 58 (31.35%) 114 (61.62%) 11 (5.95%) |  < 0.001$ |
Type of Anesthesia General Regional/ Epidural/ Spinal/ combination | 296 (94.57%) 17 (5.43%) | 161 (87.03%) 24 (12.97%) | 0.003 |
Preoperative HB levels | Median (IQR): 11.6 (10.8–14.3) | Median (IQR): 11.9 (11–13.4) |  < 0.001* |
Intraoperative and Postoperative Characteristics | |||
Intraoperative Adverse Events Yes No | 9 (2.88%) 304 (97.12%) | 5 (2.70%) 180 (97.30%) | 1.000$ |
Anticoagulant LMWH Others (Warfarin, Aspirin, Rivaroxaban, combination therapy, and not received) | 295 (94.25%) 18 (5.75%) | 161 (87.03%) 24 (12.97%) | 0.005 |
Postoperative HB levels | Median (IQR): 10.3 (9.3–11.4) | Median (IQR): 10.3 (9.4–11.3) | 0.7582 |
Blood transfusion Yes No | 109 (34.82%) 204 (65.18%) | 87 (47.03%) 98 (52.97%) | 0.007 |
Blood loss in ml | Median (IQR): 250 (170–500) | Median (IQR): 300 (200–450) | 0.7062 |
Length of Stay | 6 (5–7) | 6 (5–8) | 0.0055 |