| Total | North | Central | West | South | East | |
| Distribution per area | 4322 (100) | 1011 (23.39) | 701 (16.21) | 736 (17.02) | 800 (18.5) | 1074 (24.84) |
| Habitual snoring | 503 (11.63) | 71 (7.02) | 85 (12.12) | 68 (9.23) | 196 (24.50) | 83 (7.72) |
| Allergy | 775 (18.1) | 203 (20.38) | 165 (23.6) | 141 (19.31) | 100 (12.62) | 166 (15.58) |
| Asthma | 191 (4.4) | 37 (3.68) | 35 (5.0) | 28 (3.83) | 55 (6.85) | 36 (3.37) |
| Recurrent ear infections | 185 (4.3) | 58 (5.79) | 31 (4.42) | 22 (3.0) | 29 (3.62) | 45 (4.22) |
| Tympanostomy tubes | 63 (1.4) | 10 (1.0) | 15 (2.1) | 4 (0.54) | 22 (2.75) | 12 (1.12) |
| Adenotonsillectomy | 354 (8.2) | 59 (5.86) | 69 (9.85) | 64 (8.76) | 97 (12.12) | 65 (6.08) |
Data are presented as n (%). Bold indicates statistical significance.