Table 2 Univariate Analyses of tumor-related death among 568 patients using the ENETS, 8th AJCC, 7th AJCC and m7th AJCC staging systems including four tumor stages for pNECs
TNM staging systems | Median OS (months) | HR (95%CI) | P |
|---|---|---|---|
ENETS | |||
I | 90.0 | 1 | |
II | 40.0 | 3.28 (0.77–13.98) | 0.11 |
III | 48.0 | 2.22 (0.54–9.13) | 0.27 |
IV | 7.0 | 8.92 (2.21–35.92) | 0.002 |
8th AJCC | |||
I | 62.0 | 1 | |
II | 138.0 | 0.70 (0.38–1.26) | 0.23 |
III | 15.0 | 1.73 (0.93–3.21) | 0.08 |
IV | 7.0 | 3.70 (2.26–6.06) | < 0.001 |
7th AJCC | |||
I | 90.0 | 1 | |
II | 40.0 | 1.08 (0.60–1.93) | 0.79 |
III | 13.0 | 2.14 (0.98–4.67) | 0.06 |
IV | 7.0 | 4.36 (2.58–7.36) | < 0.001 |
m7th AJCC | |||
I | 90 | 1 | |
II | 31 | 1.24 (0.74–2.07) | 0.41 |
III | 13 | 2.31 (1.12–4.75) | 0.02 |
IV | 7 | 4.70 (3.05–7.24) | < 0.001 |