Table 6.

Association between rates of high-level (hard stop) alerts and intermediate and low-level alerts by category of warning

	Interactions			Dose			Contraindications
	Slope (SE)	P value	Correlation	Slope (SE)	P value	Correlation	Slope (SE)	P value	Correlation
Rate intermediate alerts	0.000 (0.001)	0.000	0.23	0.038 (0.010)	0.000	0.19	−0.027 (0.015)	0.080	−0.09
Rate low-level alerts	−0.001 (0.000)	0.079	−0.09	0.015 (0.003)	0.000	0.29	−0.000 (0.001)	0.806	−0.01
Intermediate alerts not heeded (%)	0.008 (0.008)	0.021	0.12	−0.010 (0.038)	0.802	−0.01	−0.000 (0.003)	0.748	−0.02
Low-level alerts not heeded (%)	0.013 (0.008)	0.021	0.10	−0.108 (0.081)	0.182	−0.07	−0.012 (0.008)	0.105	−0.08
Laboratory warnings not heeded (%)	−0.000 (0.000)	0.028	−0.11	−0.001 (0.001)	0.359	−0.05	−0.000 (0.000)	0.342	−0.05
Laboratory alarms not heeded (%)	−0.000 (0.000)	0.135	−0.08	−0.003 (0.002)	0.053	−0.11	−0.000 (0.000)	0.654	−0.02

P values significant at the 99% level are in bold italics

P values significant at the 95% level are in bold

Slope is the coefficient from a fitted generalized linear model, modelling the linear association between rate of hard stop alerts and each of the listed independent variables within the table