Table 2.
Characteristics | Total | Median OS | Unadjusted analyses | Adjusted analyses | ||
---|---|---|---|---|---|---|
N (%) | Months | Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | |
CPP | ||||||
Pre-CPP | 729 (65) | 12.3 | 1 | 1 | ||
Post-CPP | 396 (35) | 13.7 | 0.88 (0.77–0.99) | 0.039 | 0.73 (0.64–0.83) | < 0.001 |
Sex | ||||||
Male | 668 (59) | 12.8 | 1 | - | 1 | - |
Female | 457 (41) | 13.2 | 0.86 (0.76–0.97) | 0.014 | 0.87 (0.77–0.98) | 0.023 |
Age (years) | ||||||
<60 | 482 (43) | 15.6 | 1 | - | 1 | - |
60–69 | 387 (34) | 12.6 | 1.54 (1.34–1.77) | < 0.001 | 1.52 (1.32–1.74) | < 0.001 |
≥70 | 256 (23) | 9.1 | 2.31 (1.97–2.70) | < 0.001 | 1.51 (1.22–1.85) | < 0.001 |
Tumor location | ||||||
Right side | 562 (50) | 13.0 | 1 | - | 1 | - |
Left side | 528 (47) | 12.9 | 0.97 (0.86–1.10) | 0.579 | 1.04 (0.92–1.17) | 0.574 |
Midline | 12 (1.1) | 13.7 | 0.97 (0.55–1.71) | 0.911 | 0.93 (0.52–1.66) | 0.814 |
Bilateral | 23 (2.0) | 9.1 | 1.67 (1.10–2.54) | 0.016 | 1.24 (0.80–1.92) | 0.327 |
Tumor focality | ||||||
Solitary | 1025 (91) | 13.3 | 1 | - | 1 | - |
Multifocal | 100 (8.9) | 9.2 | 1.41 (1.14–1.74) | 0.001 | 1.27 (1.02–1.58) | 0.031 |
Surgical resection | ||||||
GTR | 329 (29) | 16.4 | 1 | - | 1 | - |
STR | 682 (61) | 12.1 | 1.63 (1.42–1.87) | < 0.001 | 1.58 (1.38–1.82) | < 0.001 |
Biopsy | 114 (10) | 8.3 | 2.39 (1.92–2.96) | < 0.001 | 1.85 (1.46–2.33) | < 0.001 |
Radiotherapy | ||||||
54–60 Gy | 889 (79) | 14.8 | 1 | 1 | ||
30–40.05 Gy | 236 (21) | 7.3 | 2.72 (2.34–3.15) | < 0.001 | 2.43 (1.97–2.99) | < 0.001 |
Significant p-values highlighted in bold
AbbreviationsOS overall survival; CI confidence interval; GTR gross total resection; STR subtotal resection; Gy gray