Table 2 Analysis for OS based on training group by univariable and multivariable Cox proportion regression.
Characteristics | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
HR (95%CI) | P value | HR (95%CI) | P value | |
Gender | ||||
Male | Reference | Reference | ||
Female | 0.58 (0.39–0.87) | 0.009 | 0.60 (0.39–0.96) | 0.033 |
Age | ||||
< 50 | Reference | Reference | ||
50–82 | 1.23 (0.41–1.31) | 0.297 | 1.59 (0.44–2.03) | 0.968 |
≥ 83 | 1.57 ( 0.76–3.24) | 0.216 | 2.38 (0.97–5.85) | 0.048 |
Race | ||||
White | Reference | – | ||
Black | 0.85 (0.43–0.68) | 0.659 | – | – |
Other | 0.64 (0.28–0.47) | 0.294 | – | – |
Grade | ||||
Grade I; Well differentiated | Reference | Reference | ||
Grade II; Moderately differentiated | 3.85 (1.12–13.18) | 0.031 | 1.59 (0.39–6.48) | 0.510 |
Grade III; Poorly differentiated | 3.20 (0.98–10.47) | 0.053 | 1.67 (0.38–7.38) | 0.492 |
Grade IV; Undifferentiated | 4.36 (1.34–14.12) | 0.013 | 2.87 (0.70–11.64) | 0.039 |
AJCC stage group (7th) | ||||
IA | Reference | Reference | ||
IB | 1.26 (0.24–2.42) | 0.651 | 1.27 (0.04–1.56) | 0.145 |
IIA | 1.81 (0.80–4.09) | 0.153 | 1.36 (0.52–3.55) | 0.520 |
IIB | 3.67 (1.39–9.67) | 0.008 | 2.00 (0.19–5.31) | 0.993 |
III | 2.07 (0.93–4.63) | 0.073 | 2.37 (0.07–1.86) | 0.231 |
AJCC T stage (7th) | ||||
T1a | Reference | Reference | ||
T1b | 1.13 (0.51–1.69) | 0.822 | 1.23 (0.67–1.80) | 0.348 |
T2a | 0.85 (0.40–1.76) | 0.663 | 2.15 (0.52–8.83) | 0.284 |
T2b | 1.73 (0.97–3.06) | 0.058 | 3.50 (0.99–12.32) | 0.045 |
T3 | 1.68 (0.22–12.69) | 0.610 | 4.80 (0.26–6.97) | 0.288 |
TX | 0.39 (0.11–1.35) | 0.141 | 1.66 (0.29–9.23) | 0.561 |
AJCC N stage (7th) | ||||
N0 | Reference | Reference | ||
N1 | 1.54 (0.85–2.77) | 0.146 | 3.24 (1.29–8.16) | 0.012 |
Primary site | ||||
Soft tissue | Reference | Reference | ||
Heart Mediastinum | 2.27 (1.17–4.40) | 0.015 | 2.10 (0.81–5.45) | 0.026 |
Peritoneum | 3.35 (1.05–10.66) | 0.040 | 1.56 (0.37–6.53) | 0.540 |
Bone | 1.30 (0.52–3.23) | 0.567 | 1.69 (0.54–5.30) | 0.361 |
