Table 5.
Comparison of the 2 surgery methods in different age groups
| Variables | Age ≤60
|
Age >60
|
||||
|---|---|---|---|---|---|---|
| RG (n=69) | LG (n=69) | P-value | RG (n=43) | LG (n=43) | P-value | |
| Gender (male/female) | 46/23 | 49/20 | 0.581 | 32/11 | 30/13 | 0.631 |
| Body mass index | 23.7±3.0 | 24.0±3.0 | 0.546 | 23.5±2.7 | 22.8±3.0 | 0.264 |
| Comorbidity (present/absent) | 6/63 | 5/64 | 0.753 | 17/26 | 19/24 | 0.662 |
| Operation time (min) | 258.7±63.5 | 222.9±42.6 | 0.000 | 266.6±65.0 | 235.7±49.9 | 0.015 |
| Estimated blood loss (mL) | 174.9±61.3 | 208.8±96.9 | 0.015 | 186.1±75.0 | 276.5±182.6 | 0.004 |
| No. of retrieved lymph nodes | 27.9±10.2 | 26.4±7.7 | 0.334 | 32.1±7.9 | 29.8±9.8 | 0.252 |
| Time to first flatus (days) | 2.4±0.6 | 2.5±0.4 | 0.527 | 3.0±0.5 | 3.4±1.6 | 0.122 |
| Time to start liquid diet (days) | 1.5±0.7 | 1.5±0.4 | 0.908 | 1.8±0.5 | 2.0±0.6 | 0.112 |
| Time to start soft diet (days) | 3.4±1.4 | 3.4±0.5 | 0.929 | 3.9±1.8 | 4.7±3.0 | 0.129 |
| Postoperative hospital stay (days) | 6.7±2.1 | 6.4±2.1 | 0.437 | 7.1±2.7 | 8.0±5.4 | 0.367 |
| Overall complications (%) | 5 (7.2) | 4 (5.8) | 0.730 | 10 (23.3) | 9 (20.9) | 0.795 |
| Cost of hospitalization (RMB) | 91,567.8±5510.0 | 68,331.3±4918.3 | 0.000 | 93,644.2±6614.1 | 71,314.1±6839.0 | 0.000 |
Note: Data are presented as mean ± standard deviation.
Abbreviations: LG, laparoscopic gastrectomy; RG, robotic gastrectomy.