Table 2 T-tests comparing select pairs of health state utilities (N = 200)
From: Acute and chronic impact of cardiovascular events on health state utilities
Comparison | Health state | Mean (SD) utilities1 | Mean (SD) difference score | t-statistic | p-value |
|---|---|---|---|---|---|
Acute Health States | Â | Â | Â | Â | |
A vs. B | A. Stroke | 0.33 (0.46) | −0.34 (0.35) | −14.1 | <0.0001 |
B. Acute Coronary Syndrome | 0.67 (0.34) | Â | Â | Â | |
A vs. C | A. Stroke | 0.33 (0.46) | −0.28 (0.35) | −11.1 | <0.0001 |
C. Heart Failure | 0.60 (0.38) | Â | Â | Â | |
B vs. C | B. Acute Coronary Syndrome | 0.67 (0.34) | 0.07 (0.23) | 4.3 | <0.0001 |
C. Heart Failure | 0.60 (0.38) | Â | Â | Â | |
Chronic Health States | Â | Â | Â | Â | |
D vs. E | D. Stroke | 0.52 (0.38) | −0.30 (0.34) | −12.6 | <0.0001 |
E. Acute Coronary Syndrome | 0.82 (0.17) | Â | Â | Â | |
D vs. F | D. Stroke | 0.52 (0.38) | −0.05 (0.33) | −2.0 | 0.0429 |
F. Chronic Heart Failure | 0.57 (0.32) | Â | Â | Â | |
E vs. F | E. Acute Coronary Syndrome | 0.82 (0.17) | 0.25 (0.28) | 13.0 | <0.0001 |
F. Chronic Heart Failure | 0.57 (0.32) | Â | Â | Â | |
Acute vs. Chronic Health States | Â | Â | Â | ||
A vs. D | A. Stroke | 0.33 (0.46) | −0.20 (0.40) | −7.0 | <0.0001 |
D. Stroke | 0.52 (0.38) | Â | Â | Â | |
B vs. E | B. Acute Coronary Syndrome | 0.67 (0.34) | −0.15 (0.33) | −6.5 | <0.0001 |
E. Acute Coronary Syndrome | 0.82 (0.17) | Â | Â | Â | |
C vs. F | C. Heart Failure | 0.60 (0.38) | 0.03 (0.31) | 1.4 | 0.1578 |
F. Chronic Heart Failure | 0.57 (0.32) | Â | Â | Â | |