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. 2011 Nov 30;13(2):121–127. doi: 10.1007/s10194-011-0405-6

Table 3.

Medical utilization and health care costs of the study population by antimigraine medication use (n = 465)

Variable Antimigraine drug users (n = 365) No antimigraine drug users (n = 100) p value
All-cause medical utilization
 Hospitalization, n (%) 39 (10.7) 15 (15.0) 0.233
 ED visits, n (%) 83 (22.7) 35 (35.0) 0.013
 Total number of outpatient visits, mean (SD) 13.2 (11.9) 15.3 (15.6) 0.220
Migraine-related medical utilization
 Hospitalization, n (%) 0 3 (3.0) <0.001
 ED visits, n (%) 14 (3.8) 11 (11.0) 0.005
 Total number of outpatient visits, mean (SD) 0.8 (1.8) 1.4 (1.2) <0.001
All-cause health care costs ($), mean (median)
 Medical 7,043.7 (1921.4) 10,450.6 (3352.0) 0.019
 Pharmacy 2,827.5 (1408.1) 1,817.3 (753.1) <0.001
 Total 9,871.2 (4648.1) 12,267.9 (5267.3) 0.633
Migraine-related costs ($), mean (median)
 Medical 149.3 (0) 634.1 (100.3) <0.001
 Pharmacy 516.1 (201.9) 0 <0.001
 Total 665.4 (283.5) 634.1 (100.3) 0.001

ED emergency department, SD standard deviation