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Table 1 Age and gender of cases and controls (Commercial)

From: Chiropractic care and the risk of vertebrobasilar stroke: results of a case–control study in U.S. commercial and Medicare Advantage populations

Variable

Cases (n = 1159)

Controls (n = 4633)

Age: mean (median)

65.1 (64.7)

65.1 (64.7)

Males: n (%)

751 (64.8)

3001 (64.8)