Measure | Distressed group n = 89 | Non-distressed group n = 121 | P value |
---|---|---|---|
Mean age, years (range) | 64.7 ± 7.1 (47.0 to 79.0) | 66.5 ± 8.4 (43.0 to 85.0) | 0.111 |
Sex, n (%) | |||
Female | 82 (92.1%) | 100 (82.6%) | 0.046 |
Male | 7 (7.9%) | 21 (17.4%) | |
Median body mass index, kg/m2 (IQR) | 27.2 (24.0 to 29.1) | 26.1 (24.4 to 28.6) | 0.328 |
Had family support, n (%) | 84 (94.4%) | 113 (93.4%) | 0.768 |
Living in Beijing, n (%) | 40 (44.9%) | 51 (42.1%) | 0.686 |
Median waiting days for operation, (IQR) | 9.0 (6.0 to 18.5) | 10.0 (5.0 to 22.0) | 0.402 |
Charlson index, n (%) | |||
0 | 0 | 2 (1.7%) | 0.459 |
1 | 17 (19.1%) | 16 (13.2%) | |
2 | 32 (36.0%) | 47 (38.8%) | |
3 | 29 (32.6%) | 38 (31.4%) | |
4 | 8 (9.0%) | 15 (12.4%) | |
5 | 1 (1.1%) | 3 (2.5%) | |
6 | 2 (2.2%) | 0 |