Table 3.

Overall adherence score at baseline and after process improvement interventions

	Adherence score (out of 6)
	Baseline (n = 374)	After implementation (n = 1839)	Difference	P
Mean (95% c.i.)	2·9 (2·8, 3·1)	4·5 (4·4, 4·5)	1·6 (1·4, 1·7)	< 0·001*
Median (i.q.r.)	3 (2–4)	5 (4–5)		< 0·001†

^*Student's t test with Satterthwaite method;

^†Wilcoxon rank‐sum test.