Table 8. Predictive Ability of the SAQ-7.

The SAQ-7 was able to predict 1-year mortality and rehospitalization for an ACS as well as the full SAQ instrument. (N=2,941)

	12-Month Mortality		12-Month ACS Rehospitalization
	SAQ-7	Full SAQ	SAQ-7	Full SAQ
Physical Limitation
Poor-Fair (0–<50)	10 ± 2%	9 ± 2%	15 ± 3%	13 ± 3%
Good (50–<75)	2 ± 1%	3 ± 1%	7 ± 2%	8 ± 2%
Excellent (75–100)	2 ± 0.3%	2 ± 0.3%	6 ± 1%	5 ± 1%
C-statistic	0.64	0.67	0.59	0.61
Angina Frequency
Daily-Weekly (0–60)	6 ± 1%	6 ± 1%	16 ± 3%	16 ± 3%
Monthly (>60–<100)	4 ± 1%	4 ± 1%	10 ± 2%	10 ± 2%
None (100)	4 ± 0.4%	4 ± 0.4%	5 ± 1%	5 ± 1%
C-statistic	0.53	0.53	0.63	0.63
Quality of Life
Poor-Fair (0–<50)	6 ± 1%	5 ± 1%	13 ± 2%	12 ± 2%
Good (50–<75)	4 ± 1%	4 ± 1%	6 ± 2%	9 ± 2%
Excellent (75–100)	4 ± 0.4%	4 ± 0.4%	6 ± 1%	5 ± 1%
C-statistic	0.54	0.54	0.58	0.61
Summary Score
Poor-Fair (0–<50)	8 ± 2%	8 ± 2%	14 ± 3%	15 ± 3%
Good (50–<75)	5 ± 1%	5 ± 1%	11 ± 2%	10 ± 2%
Excellent (75–100)	4 ± 0.4%	4 ± 0.4%	5 ± 1%	5 ± 1%
C-statistic	0.56	0.58	0.61	0.63

Abbreviations: SAQ, Seattle Angina Questionnaire