Table 3.

Predictive value of clinical factors for protracted decline in ADL: Results of GEE analyses

	POSSUM model			E-PASS model
Variables	Odds Ratio	95% CI	P value	Odds Ratio	95% CI	P value
Surgical Score*	1.1	0.87–1.37	0.44	1.1	0.87–1.31	0.51
Age	1.1	0.98–1.25	0.09	1.1	0.97–1.25	0.12
Male	1.3	0.60–2.88	0.49	1.3	0.60–2.67	0.54
Colon Cancer**	1.3	0.62–2.67	0.49	1.2	0.61–2.45	0.56
MMSE	0.9	0.83–0.99	0.02	0.9	0.82–1.01	0.08
Pathological Stage	1.2	0.75–1.77	0.50	1.2	0.79–1.82	0.39
–2 Log-Likelihood		215.6			215.6

* POSSUM and E-PASS CRS scores were included in two separate GEE model calculations

** Colon Cancer/Gastric Cancer