Table 1.

Validation of the Modified Lee Prognostic Index for Use in NSHAP Compared with the Original Lee Prognostic Index in HRS

Points	Original Lee index, HRS 1998 wave	Modified Lee index in NSHAP 2010–2011 wave
	4-year mortality (%)*	5-year mortality (%)
	(n = 11,701)	(n = 3161)
0–5 points	4%	4%
6–9 points	15%	19%
10–13 points	42%	38%
14+ points	64%	59%

HRS health and retirement study, NSHAP national social life and aging study

*Lee, S. et al. 2006; JAMA 295(7):801–808²⁶