Valuation of health states using the Visual Analogue Scale (VAS) and time trade-off (TTO) exercise mean VAS and median TTO health utility valuations and summary results of linear and quantile regression analyses
| PID-related health states | Parents | Adolescents | p Value |
| Outpatient treatment (mild–moderate disease) | |||
| Mean TTO (SD) | 0.902 (0.27) | 0.82 (0.33) | 0.033 |
| Median TTO (25th, 75th percentile) | 1.0 (0.98, 1.0) | 0.98 (0.88, 1.0) | NAC |
| Mean VAS (SD) | 76.24 (23.33) | 61.95 (24.06) | <0.001 |
| Median VAS (25th, 75th percentile) | 85.00 (65.0, 95.0) | 60.00 (50.0, 80.0) | <0.001 |
| Inpatient treatment (moderate–severe disease) | |||
| Mean TTO (SD) | 0.88 (0.30) | 0.78 (0.36) | 0.022 |
| Median TTO (25th, 75th percentile) | 1.0 (0.96, 1.0) | 0.96 (0.86, 1.0) | 0.016 |
| Mean VAS (SD) | 73.80 (23.09) | 57.11 (25.13) | <0.001 |
| Median VAS (25th, 75th percentile) | 75.00 (55.0, 95.0) | 50.00 (40.0, 75.0) | <0.001 |
| Ectopic pregnancy | |||
| Mean TTO (SD) | 0.91 (0.26) | 0.82 (0.35) | 0.009 |
| Median TTO (25th, 75th percentile) | 1.0 (0.98, 1.0) | 0.98 (0.90, 1.0) | NAC |
| Mean VAS (SD) | 73.47 (23.77) | 55.10 (25.38) | <0.001 |
| Median VAS (25th, 75th percentile) | 80.00 (60.0, 90.0) | 55.00 (40.0, 75.0) | <0.001 |
| Infertility | |||
| Mean TTO (SD) | 0.91 (0.25) | 0.84 (0.32) | 0.059 |
| Median TTO (25th, 75th percentile) | 1.0 (0.98, 1.0) | 1.0 (0.94, 1.0) | NAC |
| Mean VAS (SD) | 68.41 (27.05) | 58.74 (28.62) | 0.006 |
| Median VAS (25th, 75th percentile) | 75.00 (50.0, 95.0) | 60.00 (40.0, 80.0) | 0.004 |
| Chronic abdominal pain | |||
| Mean TTO (SD) | 0.85 (0.31) | 0.76 (0.38) | 0.026 |
| Median TTO (25th, 75th percentile) | 0.98 (0.92, 1.0) | 0.98 (0.67, 1.0) | 0.335 |
| Mean VAS (SD) | 60.87 (23.78) | 47.85 (25.36) | <0.001 |
| Median VAS (25th, 75th percentile) | 60.00 (50.0, 80.0) | 50.00 (25.0, 65.0) | 0.003 |
Range of potential scores: VAS (0–100); TTO (0–1).
NAC, not able to compute because all values are below median (too close to 1); PID, pelvic inflammatory disease.