Table 2 Follow-up and questionnaire results
From: A novel three-dimensional printed vacuum bell for pectus excavatum treatment: a preliminary study
| Frequency/median (Percent/range) | |
|---|---|
| Questionnaire responders | 40 (100%) |
| How was the device used? | |
| Duration per time, minutes # | 30 (15,60) |
| TIMES per day | 1.5 (1,3) |
| Vacuum, kPa | 20 (10,30) |
| Complications | |
| Petechia | 21 (52.5%) |
| Blistering | 12 (30%) |
| Discomfort | 5 (12.5%) |
| Pain | 9 (22.5%) |
| Effectiveness by questionnaire | |
| Poor | 0 (0%) |
| Fair | 18 (45%) |
| Good | 20 (50%) |
| Excellent | 2 (5%) |
| Follow-up | Mean (SD) |
| Duration, months | 11.1 (3.8) |
| Change in DR | −0.057 (0.023) |
| Ratioa | 0.54 (0.20) |