Table 2.
T-tests comparing select pairs of health state utilities (N = 200)
| Comparison | Health state | Mean (SD) utilities1 | Mean (SD) difference score | t-statistic | p-value |
|---|---|---|---|---|---|
| Acute Health States | |||||
| 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) | ||||
| A vs. C | A. Stroke | 0.33 (0.46) | −0.28 (0.35) | −11.1 | <0.0001 |
| C. Heart Failure | 0.60 (0.38) | ||||
| 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) | ||||
| Chronic Health States | |||||
| 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) | ||||
| 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) | ||||
| 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) | ||||
| Acute vs. Chronic Health States | |||||
| A vs. D | A. Stroke | 0.33 (0.46) | −0.20 (0.40) | −7.0 | <0.0001 |
| D. Stroke | 0.52 (0.38) | ||||
| 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) | ||||
| 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) | ||||
1TTO utility scores are on a scale anchored with 0 representing dead and 1 representing full health.