Table 4

Effects of covariates on survival in patients on NIV: univariate analyses

VariableComparisonSurvival benefit estimateSurvival benefit 95% CIp Value
Age at symptom onsetAcross IQR (69 cf. 54)1.020.79 to 1.310.89
Log diagnostic delayAcross IQR (19 m versus 7 m)1.140.91 to 1.430.24
GenderMale cf. female1.400.94 to 2.070.09
RiluzoleYes cf. no1.380.92 to 2.080.12
  • NIV, non-invasive ventilation.