Table VI.

Longitudinal pattern for incident dpCEPH

Variables	Baseline	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Year 7	Year 8	Year 9
No. at risk	278	196	151	121	93	65	48	39	23	10
Cumulative no. of events	0	4	10	13	15	16	16	17	18	18
KM estimate (95% CI)	1.00	0.98 (0.96-1.00)	0.95 (0.91-0.98)	0.93 (0.89-0.97)	0.91 (0.87-0.95)	0.90 (0.85-0.95)	0.90 (0.85-0.95)	0.88 (0.81-0.94)	0.85 (0.77-0.93)	0.85 (0.77-0.93)
Person-years (Time on study)	0	211	384	519	623	698	753	798	829	846

dpCEPH, definite, or possible, clinically evident portal hypertension; KM, Kaplan-Meier.