Table 1.
Comparison of general and baseline data
| Item | EOI block group (n=30) | OSTAP block group (n=30) | χ2/z/t | P |
|---|---|---|---|---|
| Age (years) | 58.3±12.9 | 60.9±8.2 | 0.910 | 0.367 |
| Gender | 0.693 | 0.450 | ||
| Male | 19 | 22 | ||
| Female | 11 | 8 | ||
| Body mass index (kg/m2) | 21.18±3.03 | 20.25±2.49 | 1.308 | 0.196 |
| Operation time (min) | 272.5±66.0 | 298.2±69.2 | 1.470 | 0.147 |
| Tumor stage (n) | 0.806 | 0.668 | ||
| Stage I | 10 | 9 | ||
| Stage II | 14 | 12 | ||
| Stage III | 6 | 9 | ||
| Tumor diameter (cm) | 4.8±0.9 | 4.9±1.1 | 0.385 | 0.701 |
| Surgical approach (n) | - | - | - | - |
| Total gastrectomy | 11 | 13 | 0.278 | 0.598 |
| Radical distal subtotal gastrectomy | 19 | 17 | ||
| ASA grade | - | - | - | - |
| Grade I | 3 | 4 | 0.162 | 0.688 |
| Grade II | 27 | 26 | ||
| Comorbidities | - | - | - | - |
| Hypertension | 9 | 12 | 0.659 | 0.417 |
| Diabetes | 10 | 7 | 0.739 | 0.390 |
| Other diseases | 4 | 5 | 0.131 | 0.718 |
Note: χ2 indicates chi-square test, z indicates rank sum test, and t indicates independent-samples t test. EOI: external oblique intercostal; OSTAP: oblique subcostal transversus abdominis plane; ASA: American Society of Anesthesiologists.