Objective prognostic score (OPS)
| Group 1 | Group 2 | P-value | |
|---|---|---|---|
| OPS <3 | 94 (78.3) | 84 (81.6) | 0.55 |
| OPS ≥3 | 26 (21.7) | 19 (18.4) |
Data presented as frequencies and percentage.
Statistical comparison of two groups was performed using Pearson’s chi-square test (SPSS 21.0).
P-value of <0.05 was considered statistically significant.