Table 3.

Prevalence of Visit 2 Independence, Number of Deaths and Lost to Follow Up by Baseline Independence Status

Baseline Prevalence in Survivors	Valid Data at Baseline and Survived to Visit 2	Died Before Follow-up	Lost to Follow-up
Baseline status:
Overall independent (valid)	226 (87.6%) (n = 258)‡	427 (56.3%) (n = 758)	68 (88.3%) (n = 77)
Overall independent (all)	265 (86.3%) (n = 307)	490 (55.9%) (n = 876)	75 (88.2%) (n = 85)
Physically independent	325 (96.2%) (n = 338)	700 (77.2%) (n = 907)	90 (97.8%) (n = 92)
Cognitively independent (valid)	235 (94.0%) (n = 250)	522 (72.9%) (n = 716)	74 (91.4%) (n = 81)
Cognitively independent (all)	302 (91.0%) (n = 332)	626 (66.7%) (n = 939)	85 (91.4%) (n = 92)

Note: MMSE = Mini-Mental State Examination.

*Valid refers to using only valid MMSE exams.

^†All refers to using all MMSE exams.

^‡These n’s do not match those in Table 1. due to some participants having valid data at visit 2 but not at visit 1.