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. 2014 Sep 3;96(17):1417–1422. doi: 10.2106/JBJS.M.01190

TABLE I.

Patient Demographics

Control BMP
Total no. of patients 357,108 110,808
Male (%) 41.6 37.5
Female (%) 58.4 62.5
Age group (%)
 <65 yr 29.8 27.2
 65-69 yr 25.7 26.5
 70-74 yr 20.1 21.4
 75-79 yr 14.6 15.5
 80-84 yr 7.3 7.2
 ≥85 yr 2.5 2.2