The yield and usefulness of PAIN + and PubMed databases for accessing research evidence on pain management: a randomized crossover trial

Table 3 Independent t test for effectiveness of PAIN⁺ Vs PubMed in retrieving evidence on pain for a multidisciplinary scenario

Effectiveness characteristic	Electronic database	N	Mean	SD	T value	P value
Usefulness rating of Top 3 [1- Not useful at all to 7- Very useful]	PAIN⁺	77	5.15	1.13	4.97	0.00*
	PubMed	77	4.05	1.55	4.97	0.00*
Rate the quality of paper [1Very Low – 5 Very High]	PAIN⁺	77	3.69	0.70	1.87	0.06
Rate the quality of paper [1Very Low – 5 Very High]	PubMed	77	3.51	0.70	1.87	0.06
Change practice based on the article retrieved [1- Not likely at all to 7- Very likely]	PAIN⁺	77	1.61	0.60	−1.90	0.06
	PubMed	77	1.75	0.56	−1.90	0.06
Usefulness of the overall session [1- Not useful at all to 7- Very useful]	PAIN⁺	77	4.31	1.74	0.52	0.60
	PubMed	77	4.22	1.65	0.52	0.60

ISSN: 2057-0082