Table 3.
Gastric Cancer-Relevant Variables In The PS Group And PSI Group
| PS Group (N=59) | PSI Group (N=59) | P value | |
|---|---|---|---|
| Patient-related data | |||
| Male, n (%) | 42 (71.2%) | 47 (79.7%) | 0.285 |
| Female, n (%) | 17 (28.8%) | 12 (20.3%) | |
| Age (years) | 56.4±12.6 | 58.4±13.6 | 0.319 |
| HOD (days) | 16.9±4.5 | 16.7±4.7 | 0.797 |
| POD (days) | 10.6±2.6 | 10.2±2.1 | 0.73 |
| BMI (kg/m2) | 23.7±3.5 | 24.2±3.8 | 0.429 |
| Surgery-related data | |||
| Surgeon’s experience (≥15 years), n (%) | 48 (81.4%) | 45 (76.3%) | 0.499 |
| Gastrectomy selection, n (%) | |||
| Subtotal | 36 (61%) | 32 (54.2%) | 0.456 |
| Total | 23 (39%) | 27 (45.8%) | |
| Mode of operation, n (%) | |||
| Open | 29 (49.2%) | 25 (42.4%) | 0.46 |
| Laparoscopic | 30 (50.8%) | 34 (57.6%) | |
| Duration of operation (min) | 227.4±61.5 | 241.2±59.3 | 0.159 |
| Surgical blood loss (mL) | 232.2±181.7 | 193.2±120.5 | 0.585 |
| Pathology-related data | |||
| Tumor size (cm) | 4.7±4.3 | 4.5±2.6 | 0.605 |
| Tumor location, n (%) | |||
| Upper third | 12 (20.3%) | 17 (28.8%) | 0.128 |
| Median third | 23 (39%) | 13 (22%) | |
| Lower third | 24 (40.7%) | 29 (49.2%) | |
| T stage, n(%) | |||
| T1 | 10 (16.9%) | 9 (15.3%) | 0.986 |
| T2 | 12 (20.3%) | 12 (20.3%) | |
| T3 | 32 (54.2%) | 32 (54.2%) | |
| T4 | 5 (8.5%) | 6 (10.2%) | |
| N stage, n (%) | |||
| N0 | 20 (33.9%) | 23 (39%) | 0.922 |
| N1 | 9 (15.3%) | 9 (15.3%) | |
| N2 | 9 (15.3%) | 7 (11.8%) | |
| N3 | 21 (35.6%) | 20 (33.9%) | |
| Histological classification, n (%) | |||
| G1+G2 | 21 (35.6%) | 23 (39%) | 0.703 |
| G3 | 38 (64.4%) | 36 (61%) | |
| Pathological stage, n (%) | |||
| Ⅰ | 11 (18.6%) | 17 (28.8%) | 0.259 |
| Ⅱ | 21 (35.6%) | 14 (23.7%) | |
| Ⅲ | 27 (45.8%) | 28 (47.5%) |
Abbreviations: HOD, hospitalization days; POD, postoperative days; BMI, body mass index.