Table 1.
Comparison of general data between the two groups (x̅±s, n)
| Parameter | Observation group (n=38) | Control group (n=37) | χ2/t | P |
|---|---|---|---|---|
| Gender | ||||
| Male | 20 | 21 | 0.129 | 0.720 |
| Female | 18 | 16 | ||
| Age (years) | 56.87±5.91 | 57.06±6.24 | 0.135 | 0.893 |
| Tumor diameter (cm) | 4.67±0.95 | 4.71±0.91 | 0.186 | 0.853 |
| Time of operation (min) | 353.72±27.39 | 350.18±30.45 | 0.530 | 0.598 |
| Amount of bleeding (ml) | 506.82±93.54 | 513.65±97.02 | 0.310 | 0.757 |
| Lesion site | ||||
| Head of pancreas | 19 | 20 | ||
| Body of pancreas | 11 | 10 | 0.127 | 0.939 |
| Tail of pancreas | 7 | 7 | ||
| Staging | ||||
| III | 16 | 17 | 0.112 | 0.738 |
| IV | 22 | 20 |