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Table 1 Patient demographics in the pre-COVID-19 (PC) and COVID-19 (C) groups

From: The impact of COVID-19 on the management and outcomes of patients with proximal femoral fractures: a multi-centre study of 580 patients

Variable PC (n = 304) C (n = 276) p value
Age, years, mean (SD) 82.4 (10.5) 81.3 (11.2) 0.243
Gender %, M:F 48.7:54.3 51.3:45.7 0.201
ASA, n (%)
 1 6 (2.0) 4 (1.5) 0.628
 2 71 (23.4) 74 (26.8) 0.337
 3 189 (62.2) 140 (50.7) 0.005
 4 37 (12.2) 57 (20.7) 0.006
 5 1 (0.3) 1 (0.4) 0.945
CCI, mean (SD) 5.5 (2.3) 5.2 (2.1) 0.332
NHFS, mean (SD) 4.7 (1.5) 4.9 (1.7) 0.048
Fracture diagnosis, n (%)
 Extracapsular 136 (44.7) 110 (39.9) 0.235
 Intracapsular 149 (49.0) 148 (53.6) 0.267
 Subtrochanteric 17 (5.6) 6 (2.2) < 0.001
 Periprosthetic 2 (0.66) 8 (2.9) < 0.001
 Others 0 4 (1.5) < 0.001
  1. SD standard deviation, ASA American Society for Anaesthesiology, M male, F female, CCI Charlson Comorbidity Index, NHFS Nottingham Hip Fracture Score