Table 3

Logistic regression analysis with different outcome variables: primary outcome, effective sedation and hypotension

Primary outcome
Effective sedation
OR95% CIP valueOR95% CIP valueOR95% CIP value
Gestational age (weeks)0.940.77 to 1.150.541.000.80 to 1.230.981.090.94 to 1.260.26
Birth weight <10th percentile (yes/no)0.850.22 to 3.340.821.070.27 to 4.270.931.550.52 to 4.250.47
Male gender (yes/no)1.720.46 to 6.400.422.670.76 to 9.360.130.940.36 to 2.450.90
Postnatal age (in hours)1.000.99 to 1.000.691.000.99 to 1.000.651.000.99 to 1.000.45
Starting dose of propofol (mg/kg)4.500.92 to 22.110.0657.047.58 to 429.49<0.0011.090.35 to 3.390.88
Cumulative dose of propofol (mg/kg)0.740.48 to 1.140.18
  • Corrected by Firth’s method to reduce bias because of relatively small sample size.