Demographic | Total | Compliant | Non-compliant | p-value | |
---|---|---|---|---|---|
(N = 5,003) | (N = 1,912) | (N = 3,091) | |||
Gender | |||||
Male | n | 2,738 | 1,046 | 1,692 | |
% | 54.73 | 54.71 | 54.74 | 0.982 | |
Birth Number | |||||
All stillborn siblings | n | 25 | 9 | 16 | |
% | 0.5 | 0.47 | 0.52 | 0.819 | |
Single birth | n | 2,857 | 1,049 | 1,808 | |
% | 57.11 | 54.86 | 58.49 | 0.012 | |
Twin | n | 1,427 | 599 | 828 | |
% | 28.52 | 31.33 | 26.79 | <0.001 | |
Multiple birth | n | 256 | 115 | 141 | |
% | 5.12 | 6.01 | 4.56 | 0.023 | |
Other | n | 4 | 1 | 3 | |
% | 0.08 | 0.05 | 0.1 | 0.586 | |
Not available | n | 434 | 139 | 295 | |
% | 8.67 | 7.27 | 9.54 | 0.005 | |
Clinical Characteristics | |||||
Low birth weight (<2500 g) | n | 3,337 | 1,337 | 2,000 | |
% | 66.7 | 69.93 | 64.7 | <0.001 | |
<33 wGA | n | 1,895 | 755 | 1,140 | |
% | 37.8 | 39.5 | 36.9 | 0.065 | |
33-36 wGA | n | 2,201 | 854 | 1,347 | |
% | 44 | 44.7 | 43.6 | 0.452 | |
NICU | |||||
NICU hospitalization | n | 3,830 | 1,523 | 2,307 | |
% | 86.79 | 88.19 | 85.89 | 0.028 | |
NICU hospitalization length | n | 4,413 | 1,727 | 2,686 | |
mean | 15.79 | 15.93 | 15.7 | 0.714 | |
SD | 20.38 | 20.23 | 20.48 | ||
median | 8 | 8 | 8 | ||
Birth Hospitalization | |||||
Length of birth hospitalization | n | 4,413 | 1,727 | 2,686 | |
mean | 25.4 | 26.15 | 24.92 | 0.062 | |
SD | 21.44 | 20.98 | 21.72 | ||
median | 19.00 | 20.00 | 18.00 | ||
Comorbidity | |||||
Immunodeficiency state | n | 23 | 3 | 20 | |
% | 0.46 | 0.16 | 0.65 | 0.013 | |
Trisomy 21 | n | 119 | 44 | 75 | |
% | 2.38 | 2.3 | 2.43 | 0.778 | |
Intraventricular hemorrhage | n | 397 | 158 | 239 | |
% | 7.94 | 8.26 | 7.73 | 0.499 | |
Necrotizing enterocolitis | n | 114 | 35 | 79 | |
% | 2.28 | 1.83 | 2.56 | 0.095 | |
Hydrocephalus | n | 56 | 19 | 37 | |
% | 1.12 | 0.99 | 1.2 | 0.507 | |
Periventricular leukomalacia | n | 54 | 21 | 33 | |
% | 1.08 | 1.1 | 1.07 | 0.919 | |
Retinopathy of prematurity | n | 1,206 | 452 | 754 | |
% | 24.11 | 23.64 | 24.39 | 0.545 | |
Sensorineural hearing loss | n | 66 | 20 | 46 | |
% | 1.32 | 1.05 | 1.49 | 0.183 | |
Severe neuromuscular disorders | n | 127 | 48 | 79 | |
% | 2.54 | 2.51 | 2.56 | 0.921 | |
Cerebral palsy | n | 12 | 3 | 9 | |
% | 0.24 | 0.16 | 0.29 | 0.345 | |
Cystic fibrosis | n | 60 | 30 | 30 | |
% | 1.2 | 1.57 | 0.97 | 0.059 | |
CMV | n | 8 | 0 | 8 | |
% | 0.16 | 0 | 0.26 | 0.026 | |
Chromosomal syndrome | n | 168 | 58 | 110 | |
% | 3.36 | 3.03 | 3.56 | 0.316 | |
Congenital anomalies of the airways | n | 192 | 65 | 127 | |
% | 3.84 | 3.4 | 4.11 | 0.205 | |
Pre-index home medical equipment | n | 1,449 | 548 | 901 | |
% | 28.96 | 28.66 | 29.15 | 0.712 | |
Post-index home medical equipment | n | 1,115 | 430 | 685 | |
% | 22.29 | 22.49 | 22.16 | 0.786 | |
Oxygen use | n | 392 | 144 | 248 | |
% | 7.84 | 7.53 | 8.02 | 0.529 |