approached significanceP = .055
Utilization in infants 33–34 wGA decreased over the study period and approached significance ( P = .055); among infants 29–30 wGA, there was no significant change ( P = .815).
Utilization in infants 33–34 wGA decreased over the study period and approached significance ( P = .055); among infants 29–30 wGA, there was no significant change ( P = .815).