Table 2.

Decision support and delivery system design subscale results

Use of evidence-based guidelines by patients with:*	T0 (n = 109) mean (SD)	Tx1 (n = 85) mean (SD)	Tx2 (n = 85) mean (SD)	Wilcoxon matched pair test, p-valuea	Test-retest reliability: Spearman rho
					r	p-valueb
Single diseases	2.39 (0.71)	2.43 (0.72)	2.39 (0.76)	0.60	0.58	< 0.01
Multiple diseases	2.50 (0.76)	2.50 (0.77)	2.42 (0.80)	0.21	0.63	< 0.01
Reasons for referral**
Differential diagnostic/therapeutic reasons	4.03 (1.01)	3.99 (1.00)	3.79 (1.02)	0.09	0.53	< 0.01
Own feeling of uncertainty	2.11 (0.57)	2.12 (0.62)	2.15 (0.59)	0.73	0.57	< 0.01
Request of a specialist	2.07 (0.94)	2.04 (0.94)	2.16 (0.84)	0.13	0.62	< 0.01
Disease management programs or guidelines	2.23 (0.92)	2.22 (0.90)	2.30 (0.95)	0.52	0.48	< 0.01
Patient request	2.79 (0.88)	2.84 (0.91)	2.78 (0.93)	0.49	0.62	< 0.01
Request by patient's family member	1.95 (0.64)	1.95 (0.65)	1.94 (0.67)	1.00	0.58	< 0.01
Do you know when your patients are being treated or admitted to hospital? *	2.12 (0.60)	2.11 (0.64)	2.25 (0.62)	0.03	0.52	< 0.01
How often does the provisional discharge letter provide all relevant information needed for continued care?*	2.24 (0.61)	2.24 (0.65)	2.24 (0.55)	1.00	0.67	< 0.01

* Five-point scale ranging from 1 "always" to 5 "never"

** Five point scale ranging from 1 "0%" to 5 "more than 75%"

^a Statistical significance of differences: P ≤ 0.05; ^b Statistical significance of differences: P ≤ 0.01

T_x1, T_x2, measurement points for re-test