. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: Am Heart J. 2012 Jan;163(1):88–94.e3. doi: 10.1016/j.ahj.2011.09.027

Table 2.

Patients With Missing Data by Study Visit

	Expected No. of Patients	Patients With Missing KCCQ, No. (%)^*	Patients With Missing EQ-5D VAS, No. (%)^*	Patients With Missing Peak VO₂, No. (%)^*	Patients With Missing 6-Minute Walk Distance, No. (%)^*
Baseline	2331	1 (< 0.1)	57 (2.4)	56 (2.4)	51 (2.2)
3 months	2281	243 (10.7)	280 (12.3)	399 (17.5)	434 (19.0)
6 months	2240	332 (14.8)	374 (16.7)	—	—
9 months	2196	383 (17.4)	423 (19.3)	—	—
12 months	2101	345 (16.4)	379 (18.0)	649 (30.9)	646 (30.7)

Abbreviation: KCCQ, Kansas City Cardiomyopathy Questionnaire; VAS, visual analog scale.

Percentages are calculated from the number of patients expected at each visit, accounting for patients who died or withdrew from the study.