Table 3.

Differences in Number of Presentations Given at Conferences and Number of Publications by Institution Type.

	National/public university hospital	Private university hospital	Children’s hospital	Community hospital	p
	(n = 499)	(n = 371)	(n = 140）	(n = 490）
Number of presentations at conferences, Mean ± SD
Presentations at any academic conference	4.7 ± 3.3	4.4 ± 2.8	4.3 ± 3.1	4.1 ± 3.1	0.02
Presentations per year at any academic conference	1.3 ± 1.0	1.2 ± 0.8	1.2 ± 0.9	1.1 ± 0.9	0.01
Number of publications, Mean ± SD
Any academic journal	0.4 ± 0.7	0.3 ± 0.8	0.3 ± 0.7	0.4 ± 2.5	0.90
Peer–reviewed journals	0.2 ± 0.5	0.2 ± 0.6	0.2 ± 0.5	0.2 ± 0.7	0.41
Peer–reviewed Japanese domestic journals	0.2 ± 0.4	0.2 ± 0.6	0.1 ± 0.2	0.2 ± 0.6	0.15
Peer–reviewed international journals	0.1 ± 0.3	0.1 ± 0.3	0.1 ± 0.5	0.03 ± 0.2	0.01
Non–peer–reviewed journals	0.1 ± 0.4	0.1 ± 0.4	0.1 ± 0.3	0.2 ± 1.9	0.87