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Table 8 Final multiple linear regression models, with and without outlier, of the natural logarithm of the rate of stomach cancer.

From: Different regression equations relate age to the incidence of Lauren types 1 and 2 stomach cancer in the SEER database: these equations are unaffected by sex or race

WITHOUT OUTLIER       
Parameter Estimate Std Error t df Pr(>| t|) 95% Conf Int
Intercept -14.15 0.11 -134.44 151 < 1 × 10 -10 -14.35 – -13.94
Sex -1.07 0.08 -13.15 151 < 1 × 10 -10 -1.23 – -0.91
Race 1.74 0.08 21.42 151 < 1 × 10 -10 1.58 – 1.90
Lauren type 2.59 0.15 17.53 151 < 1 × 10 -10 2.30 – 2.89
Age 0.52 0.01 36.69 151 < 1 × 10 -10 0.49 – 0.55
age:Lauren type -0.24 0.02 -12.19 151 < 1 × 10 -10 -0.28 – -0.20
race:Lauren type -0.77 0.11 -6.72 151 3.6 × 10 -10 -0.99 – -0.54
sex:Lauren type 0.83 0.11 7.28 151 < 1 × 10 -10 0.61 – 1.06
Overall Model Std Error R2 F df num df den P
  0.36 0.95 421 7 151 < 1 × 10 -10
WITH OUTLIER       
Parameter Estimate Std Error t df Pr(>| t|) 95% Conf Int
Intercept -14.23 0.11 -125.58 152 < 1 × 10 -10 -14.45 – -14.01
Sex -1.12 0.09 -12.73 152 < 1 × 10 -10 -1.29 – -0.94
Race 1.79 0.09 20.38 152 < 1 × 10 -10 1.62 – 1.96
Lauren type 2.68 0.16 16.71 152 < 1 × 10 -10 2.36 – 2.99
Age 0.53 0.02 34.72 152 < 1 × 10 -10 0.50 – 0.56
age:Lauren type -0.25 0.02 -11.74 152 < 1 × 10 -10 -0.30 – -0.21
race:Lauren type -0.82 0.12 -6.59 152 6.7 × 10 -10 -1.06 – -0.57
sex:Lauren type 0.88 0.12 7.11 152 < 1 × 10 -10 0.64 – 1.13
Overall Model Std Error R2 F df num df den P
  0.39 0.95 384 7 152 < 1 × 10 -10
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