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Table 9 Quantity and frequency of medicinal cannabis use among various pain syndromes and “Yes” responses on ID Migraine™ questionnaire

From: Patterns of medicinal cannabis use, strain analysis, and substitution effect among patients with migraine, headache, arthritis, and chronic pain in a medicinal cannabis cohort

Cannabis quantity and frequency used
  Grams per week (Average) Grams per day (Average) Grams per treatment (Average) Days used per week (Average) Times used per day (Average)
Headache as primary symptom (505) 1 to > 28 (11.4) ≤0.25 to ≥4 (1.7) ≤0.25 to ≥4 (0.66) 1-7 (6.4) 1 to > 10 (3.9)
Headache as primary illness (75) 1 to > 28 (9.6) ≤0.25 to ≥4 (1.4) ≤0.25 to ≥4 (0.67) 1-7 (5.9) 1 to > 10 (3.3)
Chronic pain as primary illness (598) 1 to > 28 (10.8) ≤0.25 to ≥4 (1.6) ≤0.25 to ≥4 (0.68) 1-7 (6.2) 1 to > 10 (3.7)
Arthritis as primary illness (188) 1 to > 28 (9.8) ≤0.25 to ≥4 (1.4) ≤0.25 to ≥4 (0.58) 1-7 (6.1) 1 to > 10 (3.2)
3 Yes (343)a 1 to > 28 (11.2) ≤0.25 to ≥4 (1.7) ≤0.25 to ≥4 (0.63) 1-7 (6.4) 1 to > 10 (3.9)
2 Yes (102)b 1 to > 28 (11.3) ≤0.25 to ≥4 (1.7) ≤0.25 to ≥4 (0.76) 1-7 (6.5) 1 to > 10 (3.8)
3 + 2 Yes (445) 1 to > 28 (11.3) ≤0.25 to ≥4 (1.7) ≤0.25 to ≥4 (0.70) 1-7 (6.5) 1 to > 10 (3.9)
  1. a3 “Yes” responses = 97% probability of migraine
  2. b2 “Yes” responses = 93% probability of migraine