TABLE 2

Growth and Resource Use in the Matched Cohort at 18–26 Months’ CA

CharacteristicDischarged on Supplemental Oxygen (N = 1039)Discharged Breathing in Room Air (N = 1039)Adjusted RR or Mean Difference (95% CI)P
Growth
 Wt z score, mean ± SD−0.31 ± 1.13−0.43 ± 1.150.11 (0.00 to 0.22).05
 Length z score, mean ± SD−0.78 ± 1.45−0.80 ± 1.320.00 (−0.14 to 0.14).98
 HC z score, mean ± SD−0.26 ± 1.48−0.41 ± 1.440.14 (−0.01 to 0.29).07
 Wt-for-length z score, mean ± SD0.07 ± 1.15−0.06 ± 1.160.13 (0.06 to 0.20)<.001
Resource use
 Rehospitalized for respiratory issue, n/N (%)380/1013 (38)278/1011 (28)1.33 (1.16 to 1.53)<.001
 No. respiratory-related hospitalizations, median (IQR)0 (0–1)0 (0–1)1.41 (1.17 to 1.69)<.001
 Asthma and/or BPD medications in past 3 mo, n/N (%)463/1018 (45)369/1017 (36)1.30 (1.17 to 1.45)<.001
Medical technology use at follow-up, n/N (%)
 Apnea monitor18/1018 (2)9/1016 (1)1.96 (0.67 to 5.73).22
 Supplemental oxygen79/1018 (8)24/1016 (2)3.73 (2.26 to 4.76)<.001
 Ventilator and/or CPAP17/1018 (2)4/1016 (<1)3.73 (1.47 to 9.47).006
 Tracheostomy29/1018 (3)10/1016 (1)3.11 (1.50 to 6.45).002
 Pulse oximeter75/1018 (7)27/1017 (3)2.94 (1.78 to 4.86)<.001
 Feeding tube88/1016 (9)87/1015 (9)0.98 (0.68 to 1.43).93
Current or past receipt of services, n/N (%)
 Home nurse115/1017 (11)75/1018 (7)1.52 (1.16 to 1.99).002
 PT and/or OT670/1018 (66)641/1018 (63)1.07 (0.99 to 1.15).10
 Speech therapist430/1018 (42)445/1018 (44)1.02 (0.92 to 1.14).69
 Pulmonary specialist554/1018 (54)318/1018 (31)1.79 (1.51 to 2.12)<.001
  • All results are among infants who survived to assessment at 18–26 months'. CPAP, continuous positive airway pressure; HC, head circumference; OT, occupational therapy; PT, physical therapy.