Table 3 Guideline compliance—modelling atrial fibrillation and transient ischaemic attack audits together (from intervention to Dec 2003).

Complying with guideline? Number (%)	City		Significance (comparing changes)	North and South & West		Significance (comparing changes)	Pooled significance	Combined odds ratio estimate (95% CI)
	No	Yes		No	Yes
TIA audit
Untrained	7 (47%)	8 (53%)	0.328	60 (46%)	70 (54%)	0.047
Trained	14 (33%)	29 (67%)		65 (35%)	122 (65%)			1.46†‡
AF audit							0.009	(1.10 to 1.94)
Untrained	21 (49%)	22 (51%)	0.146	73 (44%)	93 (56%)	0.328
Trained	20 (34%)	38 (66%)		65 (39%)	101 (61%)
Logistic regression	Coefficient	Significance level		Estimated effect on odds ratio			95% confidence interval
Constant	0.065			(1.07)
Old (>70)	0.569	<0.001		1.77			(1.32 to 2.37)
Sex (female)	0.395	0.007		1.49			(1.11 to 1.96)
Trained	0.375	0.010		1.46			(1.09 to 1.94)

AF, atrial fibrillation; TIA, transient ischaemic attack.

†Mantel–Haenzel test.

‡Standardised or adjusted for age and sex.