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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: JAMA Surg. 2016 Nov 1;151(11):1022–1030. doi: 10.1001/jamasurg.2016.2032

Figure 3. Number of Male and Female Subjects Included.

Figure 3

Absolute number of male, female, and unspecified subjects included in (A) all manuscripts, (B) by journal, (C) in US domestic and international studies. Distribution of included males, females, and unspecified subjects between journals and between domestic and international studies was different (p<0.0001). (D) Number of male subjects included by specialty. (E) Number of female subjects included by specialty. (F) Number of unspecified subjects included by specialty. Distribution of included males, females, and unspecified subjects was different by specialty (p<0.0001).