Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Demographic characteristics
Demographics | C+ (n = 53) m ± s (CI95) | C– (n = 424) m ± s (CI95) | p | Difference of the means (CI 95) |
|---|---|---|---|---|
Age (mean ± SD) | 83.3 ± 0.9 (83.05 to 83.55) | 81.2 ± 0.5 (81.15 to 81.25) | 0.156a | 2.1 (2.26 to 1.94) |
Sex, n (%) | 0.044 a | |||
Male | 5/53 (9%) | 91 (21.5%) | ||
Female | 48/53 (91%) | 333 (78.5%) | ||
CCI (mean ± SD) | 6.0 ± 0.3 (5.92 to 6.08) | 5.5 ± 0.1 (5.49 to 5.51) | 0.093 a | 0.5 (0.46 to 0.54) |
CCI ≥ 4, n (%) | 47/53 (88.7%) | 359 (84.6%) | ||
CFS (mean ± SD) | 5.3 ± 0.2 (5.24 to 5.36) | 5.2 ± 0.1 (5.19 to 5.21) | 0.612 a | 0.1 (0.07 to 0.13) |
CFS ≥ 4, n (%) | 42/53 (79%) | 318 (75.0%) | ||
ASA | 2.7 ± 0.1 (2.67 to 2.73) | 2.6 ± 0.1 (2.59 to 2.61) | 0.427 a | |
Median (mode, IQR25–75) | 3 (3; 2–4) | 3 (3; 2–4) | 0.2 b | |
ASA = 1, n (%) | 1/52 (2%) | 9/370 (2%) | ||
ASA = 2, n (%) | 19/52 (37%) | 152/370 (41%) | ||
ASA = 3, n (%) | 27/52 (51%) | 184/370 (50%) | ||
ASA = 4, n (%) | 5/52 (10%) | 25/370 (7%) | ||
ASA = 5, n (%) | 0/52 (0%) | 0 /370 (0%) | ||
ASA = 6, n (%) | 0/52 (0%) | 0/370 (0%) | ||
ASA = n.a. (%) | 1/53 (2%) | 54/424 (13%) |