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Table 4 Results of the chi-square tests of the martingale residual processes for the continuous covariate age with in an extended Aalen’s model

From: A strategy for optimal fitting of multiplicative and additive hazards regression models

Age

P-value

≤59.6

0.542

(59.6–68.2]

0.481

(68.2–75.4]

0.756

>75.4

0.316

global

0.589