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. 2020 Mar 31;6(3):e03698. doi: 10.1016/j.heliyon.2020.e03698

Table 4.

Comparison between American journal of sports Medicine® and Arthroscopy® for continuous bibliometric variables.

AJSM® Arthroscopy® p value
n 814 656 -
Author number 4.6 ± 2.0 (4.0) 4.3 ± 2.1 (4.0) 0.038
Corresponding author position 2.2 ± 2.0 (1.0) 2.1 ± 1.9 (1.0) 0.39
Number of institutions 2.1 ± 1.7 (2.0) 1.9 ± 1.2 (2.0) 0.084
Number of countries 1.2 ± 0.5 (1.0) 1.1 ± 0.4 (1.0) 0.12
Number of citations 74.4 ± 77.5 (53.5) 43.8 ± 50.5 (28.0) <10−9
Year adjusted citation rate 5.16 ± 6.15 (3.07) 3.14 ± 3.76 (2.00) <10−9
Number of references 32.2 ± 18.5 (30.0) 23.9 ± 14.4 (22.5) <10−9
Number of pages in manuscript 7.1 ± 2.8 (7.0) 6.8 ± 2.8 (6.0) 0.002

Reported as the mean ± 1 standard deviation; median noted in parentheses.