Effectiveness of clinical decision support in controlling inappropriate red blood cell and platelet transfusions, speciality specific responses and behavioural change

Table 1 Linear regression for RBC transfusion for patients with HB70 ≥ g/L

	Non-CC/HO		CC		HO
	Coefficient	p value	Coefficient	p value	Coefficient	p value
Intercept	67.86	< 0.001*	84.19	< 0.001*	84.78	< 0.001*
Gradient pre warnings	0.05	0.56	0.13	0.054	− 0.27	< 0.001*
Step change post warning 1	− 3.29	0.09	− 0.48	0.76	3.45	0.018*
Change in gradient post warning 1	− 0.18	0.08	− 0.24	0.005*	0.46	< 0.001*
Step change post warning 2	− 4.98	0.06	− 5.12	< 0.001*	− 1.63	0.4
Change in gradient post warning 2	− 0.13	0.65	0.26	< 0.001*	− 0.77	< 0.001*
Step change post warning 3	− 7.52	0.002*	–	–	− 12.26	< 0.001*
Change in gradient post warning 3	0.22	0.016*	–	-	− 0.07	0.323

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