Table 1.
Comparison of basic clinical data of the two groups of patients
| Clinical date | POCD (N=141) | non-POCD (N=546) | X 2/t value | P value |
|---|---|---|---|---|
| Gender | 0.163 | 0.686 | ||
| Male | 95 | 358 | ||
| Female | 46 | 188 | ||
| Age (years old) | 82.5±5.3 | 75.1±4.1 | 9.478 | 0.001 |
| ECOG score (points) | 1.504 | 0.220 | ||
| 0~2 | 111 | 454 | ||
| >2 | 30 | 92 | ||
| BMI (Kg/m2) | 22.9±4.1 | 24.1±3.8 | 1.424 | 0.416 |
| NRS2002 score | 4.1±1.1 | 3.5±0.9 | 5.278 | 0.019 |
| PG-SGA score | 5.8±2.2 | 4.6±1.9 | 6.252 | 0.002 |
| Education level | 17.311 | 0.000 | ||
| illiteracy | 26 | 93 | ||
| primary school | 48 | 286 | ||
| Junior high school and above | 67 | 167 | ||
| Preoperative hemoglobin (g/L) | 99.2±8.2 | 117.1±9.7 | 12.464 | 0.000 |
| Preoperative albumin (g/L) | 39.8±3.2 | 41.1±4.1 | 2.243 | 0.086 |
| Number of concomitant diseases | 19.042 | 0.000 | ||
| 0~1 | 34 | 242 | ||
| ≥2 | 107 | 304 | ||
| Preoperative MMSE score | ||||
| illiteracy | 21.1±2.2 | 20.9±3.1 | 0.624 | 0.516 |
| primary school | 23.9±3.0 | 23.5±4.2 | 0.536 | 0.227 |
| Junior high school and above | 29.2±4.4 | 28.9±3.4 | 0.712 | 0.353 |
| ASA rating | 14.881 | 0.001 | ||
| Class I | 38 | 214 | ||
| Class II | 45 | 194 | ||
| Class III | 58 | 138 | ||
| Tumor location | 2.804 | 0.246 | ||
| Cardia-Fundus of Stomach | 64 | 212 | ||
| Stomach-Antrum | 68 | 281 | ||
| Whole stomach | 9 | 53 | ||
| Tumor size (cm) | 0.495 | 0.482 | ||
| <5 | 48 | 169 | ||
| ≥5 | 93 | 377 | ||
| TNM staging | 5.871 | 0.053 | ||
| I | 16 | 35 | ||
| II | 36 | 181 | ||
| III | 89 | 330 | ||
| Tumor histological type | 1.012 | 0.314 | ||
| High-moderate differentiation | 79 | 280 | ||
| Low-undifferentiated | 62 | 266 | ||
| Surgical approach | 0.760 | 0.383 | ||
| Open surgery | 100 | 407 | ||
| Laparoscopic surgery | 41 | 139 |