Table 1 Basic information on the participants
Variable | Outcome assessment |
|---|---|
No. of patients (sites) | 42 (244) |
Mean age (range, years) | 30.9 (20.1–43.7) |
Sex ratio (male:female) | 20:22 |
Mean follow-up (range, months) | 12 (11–13) |
Phenotype ratio before surgery (thin: thick) | 129:115 |
Phenotype ratio after a year (thin: thick) | 82:162 |