Table 5.

Comparisons between American Journal of Sports Medicine® and Arthroscopy® for categorical bibliometric variables.

	AJSM®	Arthroscopy®	% AJSM®	% Arthroscopy®	p value
First Author
Female	107	50	13.3	8.1	0.002
Male	700	571	86.7	91.9
Corresponding Author
Female	96	41	11.8	6.5	0.0006
Male	717	591	88.2	93.5
Single Author
Yes	41	52	5.0	7.9	0.031
No	773	604	95.0	92.1
Region
Asia	90	124	11.2	19.4	6.2 × 10−7
Australia	26	5	3.2	0.8
Europe	142	130	17.6	20.3
North America	549	381	68.0	59.5
Author Gender Combinationa
FF	9	3	3.1	1.5	0.16
FM	32	19	11.0	9.6
MF	22	7	7.5	3.6
MM	229	168	78.4	85.3

^aFF = both 1^st and corresponding authors female, FM 1^st author female and corresponding author male, MF = 1^st author male and corresponding author female, and MM = both 1^st and corresponding authors male.