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Table 1 Patient Baseline Characteristics

From: Comparison of the efficacy of intranasal ketamine versus intravenous ketorolac on acute non-traumatic headaches: a randomized double-blind clinical trial

Characteristic Ketamine Ketorolac P value
Sex 0.865
 male 32 (45.7) 33 (47.1)  
 female 38 (55.3) 37 (52.9)
Age 0.594
  < 30 23 (32.9) 23 (32.9)  
 31–40 10 (14.3) 18 (25.7)
 41–60 11 (15.7) 14 (20)
  > 60 26 (37.1) 15 (21.4)
Drug history 0.080
 yes 11 (16) 24 (34)  
 no 59 (84) 46 (64)
Sensitivity drug history 0.080
 yes 0 (0) 3 (4)  
 no 70 (100) 67 (96)
Headache history 0.716
 yes 47 (67) 49 (70)  
 no 23 (33) 21 (30)
  1. Values are presented as number (%)