Never (%) | Occasional (%) | Frequent (%) | Constant (%) | |
Snoring asleep * | ||||
Very preterm | 50.8 | 23.0 | 15.5 | 10.7 |
Controls | 61.6 | 22.0 | 10.2 | 6.2 |
Mouth breathing** | ||||
Very preterm | 67.4 | 9.7 | 13.7 | 9.1 |
Controls | 65.1 | 17.7 | 11.1 | 6.0 |
Chi square test: *P value=0.036; **P value: 0.06