TBFVL parameter (mean±SD) Isolated Laryngomalacia (N=28) Controls (N=28) P value
Tidal volume (mL)
43.7±20.5
33.7±22.5
0.086
Tidal volume/kg (mL) 8.38±2.44 7.65±2.81 0.315
Insp time, Ti (sec) 0.691±0.210 0.603±0.146 0.077
Exp time, Ti (sec) 0.772±0.281 0.762±0.264 0.912
Ti/Te 96.9±31.0 76.3±21.2 0.005
Resp rate/ min 44.7±14.6 50.2±10.4 0.112
PTIF 0.103±0.042 0.081±0.052 0.087
PTEF 0.094±0.031 0.078±0.047 0.138
Time to PTIF 0.302±0.133 0.303±0.096 0.974
Time to PTEF 0.195±0.102 0.218±0.110 0.420
tPTEF /tE 30.0±14.3 30.6±13.3 0.869
MTEF/MTIF 103.2±42.6 95.1±16.0 0.350
PTIF-Peak tidal inspiratory flow, PTEF-Peak tidal expiratory flow, tPTEF /t E- Time to peak tidal expiratory flow/total time to expiration, MTEF/MTIF- Ratio of mid tidal expiratory flow to mid tidal inspiratory flow. PTIF-Peak tidal inspiratory flow, PTEF-Peak tidal expiratory flow, tPTEF /t E- Time to peak tidal expiratory flow/total time to expiration, MTEF/MTIF- Ratio of mid tidal expiratory flow to mid tidal inspiratory flow. PTIF-Peak tidal inspiratory flow, PTEF-Peak tidal expiratory flow, tPTEF /t E- Time to peak tidal expiratory flow/total time to expiration, MTEF/MTIF- Ratio of mid tidal expiratory flow to mid tidal inspiratory flow. PTIF-Peak tidal inspiratory flow, PTEF-Peak tidal expiratory flow, tPTEF /t E- Time to peak tidal expiratory flow/total time to expiration, MTEF/MTIF- Ratio of mid tidal expiratory flow to mid tidal inspiratory flow.