| Sex, female | 12 (54.5) | 132 (51.4) | 0.827 |
| Age, years (mean±SD) | 27.7±11.1 | 29.7±10.7 | 0.41 |
| Smoking, ever | 3 (13.6) | 75 (29.2) | 0.142 |
| History of peritonsillar abscess | 2 (9.1) | 21 (8.2) | 0.7 |
| History of diabetes or chronic steroid use | 1 (4.5) | 11 (4.3) | 1 |
| History of laryngopharyngeal reflux | 1 (4.5) | 9 (3.5) | 0.566 |
| Sore throat, ≥6 times per year | 2 (9.1) | 29 (11.3) | 1 |
| Obstructive symptoms, present* | 10 (45.5) | 128 (49.8) | 0.825 |
| Intraoperative findings | | | |
| Tonsillolith, present | 5 (22.7) | 14 (5.4) | 0.011 |
| Tortuosity, present | 0 (0) | 31 (12.1) | 0.148 |
| Size asymmetry, present | 1 (4.5) | 37 (14.4) | 0.33 |
| Severe adhesion, present | 5 (22.7) | 61 (23.7) | 1 |
| Postoperative findings | | | |
| Postoperative bleeding | 4 (18.2) | 45 (17.5) | 1 |
| Postoperative sustained pain† | 18 (81.8) | 208 (80.9) | 1 |
| Granulation tissue on tonsil bed | 3 (13.6) | 30 (11.7) | 0.733 |