Observational Study
Copyright ©The Author(s) 2021.
World J Clin Pediatr. Nov 9, 2021; 10(6): 168-176
Published online Nov 9, 2021. doi: 10.5409/wjcp.v10.i6.168
Table 2 Baseline tidal breathing flow-volume values according to breastfeeding duration

BF < 2 mo (n = 23)
BF ≥ 2 mo (n = 33)
P value
Tidal volume, mL/kg8.6 ± 1.88.3 ± 2.10.580
Respiratory rate, bpm46.8 ± 2044.7 ± 18.40.687
Expiratory time, s0.57 ± 0.210.55 ± 0.220.735
tPEF/tE, %35.4 ± 15.541.3 ± 13.70.139