Table 1

Gestation, age and weight details of infants in the study together with respiratory rate derived from pleth traces compared with respiratory inductive plethysmography (RIP) band recordings

Median (range)Healthy pretermCLD pretermAll infants
Gestation at birth (weeks)32 (31–34)26 (25–29)31 (25–34)
Birth weight (g)1750 (1380–2275)867 (557–1157)1405 (557–2275)
Gender8 M, 4 F4 M, 5 F12 M, 9 F
Age at recording (months)3 (1–6)5.5 (1.5–6.5)5 (1–6.5)
Weight at recording (g)4600 (2390–6500)5260 (3950–6350)4800 (2390–6500)
RIP band respiration rate/min48.5 (31.5–65)36 (24.5–51)42 (24.5–65)
LPF pleth respiration rate/min47 (31.75–64)36.5 (24.5–50.5)42 (24.5–64)
Difference of RIP band-LPF pleth/min0 (−1.75–6.5)0 (−1.5–0.5)0 (−1.75–6.5)
  • LPF, low-pass filtered.