Table 4 Regression coefficients and P-values for various parametric survival Models.
Variables | Weibull | Exponential | Gaussian | Logistic | Log-Logistic (e-05) | Log-Gaussian |
|---|---|---|---|---|---|---|
Age | 0.01044 (p < 2e-16) | 0.0026 (p = 0.94) | 0.666 (p = 0.044) | 0.2973 (p = 0.17) | 4.60e-03 (p = 0.27) | 0.020128 (p = 0.035) |
Grade | −0.03753 (p < 2e-16) | 0.0112 (p = 0.63) | −0.1646 (p = 0.413) | −0.1180 (p = 0.37) | −1.84e-03 (p = 0.47) | −0.002423 (p = 0.67) |
Primary Site | −0.01319 (p < 2e-16) | 0.0088 (p = 0.44) | 0.0276 (p = 0.78) | −0.0017 (p = 0.97) | 4.48e-05 (p = 0.97) | 0.001903 (p = 0.50) |
Marital Status | −0.04215 (p < 2e-16) | 0.0437 (p = 0.11) | 0.2864 (p = 0.220) | 0.1868 (p = 0.22) | 3.08e-03 (p = 0.29) | 0.011280 (p = 0.09) |
AJCC Stage | −0.17032 (p < 2e-16) | 0.0918 (p = 0.04) | −0.0287 (p = 0.94) | −0.1452 (p = 0.57) | −1.58e-03 (p = 0.75) | 0.000678 (p = 0.953) |
Race | −0.00646 (p < 2e-16) | −0.0149 (p = 0.71) | −0.6764 (p = 0.052) | −0.2703 (p = 0.24) | −4.71e-03 (p = 0.29) | −0.018576 (p = 0.06) |
Radiation | −0.03558 (p < 2e-16) | 0.0032 (p = 0.75) | −0.3894 (p = 6.3e-06) | −0.1625 (p = 0.004) | −2.77e-03 (p = 0.01) | −0.010289 (p = 3.6e-05) |
Chemotherapy | 0.02296 (p < 2e-16) | −0.0093 (p = 0.86) | 0.0135 (p = 0.977) | 0.1238 (p = 0.69) | 1.70e-03 (p = 0.77) | −0.002486 (p = 0.856) |
