Table 2. Univariate Cox proportional hazards regression of survival by iCG status.

Cohort	N	HR	95% CI of HR	P-value
EORTC	95	2.84	(1.78, 4.54)	1.2 × 10−5
MDACC	77	2.51	(1.48, 4.25)	6.5 × 10−4
MGH	50	3.95	(1.90, 8.23)	2.4 × 10−4

Note – N: patient number; HR: hazard ratio; CI: confidence interval.