TABLE 1.
OVERVIEW OF TIME TRADEOFF UTILITY RESULTS IN CONSECUTIVE ADULT PATIENTS WITH STRABISMUS
| GROUP | N | PATIENTS (%) INDICATING WILLINGNESS TO TRADE TIME* | PVALUE† | MEDIAN UTILITY (INTERQUARTILE RANGE) | PVALUE‡ |
|---|---|---|---|---|---|
| All | 140 | 85 (61%) | 0.93 (0.83–1.0) | ||
| Surgical | 99 | 67 (68%) | .009 | 0.90 (0.82–1.0) | .013 |
| Nonsurgical | 41 | 18 (44%) | 1.0 (0.88–1.0) | ||
| Long-standing | 69 | 44 (64%) | .47 | 0.92 (0.83–1.0) | .73 |
| Acquired | 71 | 41 (58%) | 0.95 (0.82–1.0) | ||
| Comorbidities | 58 | 36 (62%) | .78 | 0.90 (0.75–1.0) | .17 |
| No comorbidities | 82 | 49 (60%) | 0.95 (0.87–1.0) | ||
| Male | 67 | 38 (57%) | .35 | 0.96 (0.88–1.0) | .08 |
| Female | 73 | 47 (64%) | 0.90 (0.80–1.0) |
*
Number of patients willing to trade part of their life expectancy in return for being rid of strabismus and its associated effects, under the hypothesized conditions outlined in the time tradeoff method.
†
Differences between proportions were evaluated using the z test.
‡
Group differences were evaluated using the Mann-Whitney U test