Table 1 Comparison of basic characteristics between groups
Items | Group A (n = 114) | Group B (n = 118) |
|---|---|---|
Gender (male) | 35 (29.9%) | 36 (30.3%) |
Age (years) | 73.9 ± 12.9 (65–87) | 72.5 ± 13.1 (64–85) |
Operation time (min) | 90.5 ± 10.0 (81–125) | 91.6 ± 14 (76–132) |
Blood loss (ml) | 320.1 ± 29 (250–500) | 310.3 ± 32 (253–550) |
Living alone | 55 (48.3%) | 61 (51.7%) |
Dependent on help | 35 (30.7%) | 36 (30.5%) |
Monthly income | ||
< 200 US | 15 (13.2%) | 16 (13.6%) |
200–500 US | 78 (68.4%) | 79 (66.9%) |
> 500 US | 21 (18.4%) | 23 (19.5%) |