Table 3 |
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|
Parameter estimates from flexible parametric survival models |
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|
Parameter |
Standard FPM splines calculated backwards |
Restricted FPM incorporating a cure proportion |
Restricted FPM including time-dependent effects |
|
|
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|
Intercept |
0.385 (0.032) |
0.350 (0.031) |
0.279 (0.033) |
|
Age group |
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|
<50 |
- |
- |
- |
|
50-59 |
0.089 (0.034) |
0.089 (0.034) |
0.085 (0.035) |
|
60-69 |
0.214 (0.030) |
0.212 (0.031) |
0.184 (0.031) |
|
70-79 |
0.385 (0.030) |
0.382 (0.030) |
0.284 (0.031) |
|
80+ |
0.788 (0.032) |
0.785 (0.032) |
0.532 (0.035) |
|
LRT |
p <0.0001 |
p <0.0001 |
p <0.0001 |
|
Calendar period |
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|
1953-1964 |
- |
- |
- |
|
1965-1974 |
-0.339 (0.029) |
-0.340 (0.029) |
-0.264 (0.032) |
|
1975-1984 |
-0.741 (0.028) |
-0.743 (0.028) |
-0.585 (0.030) |
|
1985-1994 |
-0.922 (0.027) |
-0.924 (0.027) |
-0.769 (0.029) |
|
1995-2003 |
-1.190 (0.027) |
-1.194 (0.027) |
-1.025 (0.030) |
|
LRT |
p <0.0001 |
p <0.0001 |
p <0.0001 |
|
LRT comparing to the previous model |
p <0.0001 |
p <0.0001 |
|
|
AIC |
92285.22 |
92323.95 |
91590.12 |
|
BIC |
92398.63 |
92429.26 |
91825.04 |
|
|
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|
Parameter estimates (standard errors) from flexible parametric survival models FPM, flexible parametric survival model; LRT, likelihood ratio test; AIC, Akaike's information criterion; BIC, Bayesian information criterion. |
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|
Andersson et al. BMC Medical Research Methodology 2011 11:96 doi:10.1186/1471-2288-11-96 |
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