Table 3 Comparison of postoperative general conditions between the two groups
Variables | The elderly group(n = 63) | The young and middle -aged group(n = 51) | χ²/t | P value |
|---|---|---|---|---|
Total hospitalization cost (CNY) | 40741.4 ± 14862.1 | 35844.6 ± 14231.1 | 1.783 | 0.077 |
Total length of stay(days) | 18.7 ± 5.6 | 16. 1 ± 4.7 | 2.676 | 0.009 |
Time of bowel sound recovery(days) | 1.5 ± 0.8 | 1.2 ± 0.5 | 2.788 | 0.006 |
Time of drain removal (days) | 6.5 ± 3.0 | 5.5 ± 2.2 | 1.953 | 0.053 |
Stone removal rate (%) | 61(96.8%) | 50(98%) | 0.162 | 1.0 |