TABLE 1.
Poisson Regression for Mortality, Incidence, and Survival Rates
| Dependent Variable | β | 95% LCI | 95% UCI | P |
|---|---|---|---|---|
| Mortality | −.002 | −0.007 | 0.002 | .32 |
| Incidence N0 | .008 | 0.006 | 0.01 | <.001 |
| Incidence N+ | −.017 | −0.02 | −0.014 | <.001 |
| Incidence M1 | −.015 | −0.022 | −0.007 | <.001 |
| Incidence <5 mm | .017 | 0.014 | 0.021 | <.001 |
| Incidence <1 cm | .021 | 0.018 | 0.024 | <.001 |
| Incidence 1-4 cm | −.009 | −0.011 | −0.007 | <.001 |
| Incidence 4-6 cm | −.009 | −0.014 | −0.004 | <.001 |
| Incidence >6 cm | −.03 | −0.04 | −0.02 | <.001 |
| Survival (SEER) | .002 | 0.001 | 0.003 | .002 |
| Survival (MSK) | .006 | −0.001 | 0.012 | .06 |
| Survival (SEER; <1 cm) | .001 | −0.002 | 0.004 | .54 |
| Survival (SEER; 1-4 cm) | 0 | −0.003 | 0.003 | .87 |
| Survival (SEER; >4 cm) | .001 | −0.002 | 0.004 | .76 |
| Survival (MSK;<1 cm) | .004 | −0.002 | 0.01 | .32 |
| Survival (MSK;1-4 cm) | .001 | −0.005 | 0.006 | .84 |
Abbreviations: LCI, lower confidence interval; MSK, Memorial Sloan Kettering Cancer Center; SEER, Surveillance, Epidemiology, and End Results; UCI, upper confidence interval.