Table 5.
Overall survival based on PNS in subgroup analysis.
| Patients [n (%)] / OS (months) mean (95% CI) | ||||
|---|---|---|---|---|
| PNS 0 | PNS 1 | PNS 2 | P-valuea | |
| PNI | <0.001 | |||
| 0 | 511 (43.4) / 107.5 (100.6, 114.3) | 640 (54.3) / 86.7 (80.4, 93.1) | 27 (2.3) / 53.2 (33.4, 73.1) | |
| BMI (Kg/m2) | <0.001 | |||
| ≥18.5 | 511 (65.3) / 107.5 (100.6, 114.3) | 264 (33.8) / 59.7 (52.5, 66.8) | 7 (0.9) / 28.3 (9.8, 46.8) | |
| Serum albumin (g/L) | <0.001 | |||
| ≥35 | 511 (42.5) / 107.5 (100.6, 114.3) | 660 (55.0) / 85.8 (79.7, 91.8) | 30 (2.5) / 40.3 (29.2, 51.4) | |
| Preoperative body weight loss | <0.001 | |||
| <5% | 511 (56.9) / 107.5 (100.6, 114.3) | 375 (41.8) / 94.4 (86.3, 102.6) | 12 (1.3) / 34.9 (13.2, 56.5) | |
Abbreviations: PNI = Prognostic Nutritional Index; BMI = body mass index; PNS = Preoperative nutritional status; a Kaplan-Meier survival analysis.