Baseline characteristics of 19 patients with sickle cell disease who underwent tonsillectomy and adenoidectomy
| Variable | |
| Patients n | 19 |
| Males | 10 (53%) |
| Age at surgery years | 6 (3.5–8) |
| Hb type | |
| SS | 17 (89.5%) |
| SC | 2 (10.5%) |
| HU | 3 (16%) |
| EBT | 1 (5%) |
| Asthma# | 3 (16%) |
| Tonsil enlargement grading¶ | |
| None | 2 (10.5%) |
| Grade I | 1 (5%) |
| Grade II | 2 (10.5%) |
| Grade III | 7 (37%) |
| Grade IV | 7 (37%) |
| Snoring ≥3 times a week+ | 19 (100%) |
Data are presented as n (%) or median (interquartile range), unless otherwise stated. Hb: haemoglobin; HU: hydroxyurea; EBT: exchange blood transfusion. #: Diagnosis was made in compliance with Global Initiative for Asthma guidelines [19]; ¶: according to tonsil grading scale by Brodsky [34]; +: according to the current definition of snoring in sleep-disordered breathing [20].