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Table 6 The analgesic efficacy of medical cannabis therapy at 1, 3, and 12 months

From: Medical cannabis for the treatment of fibromyalgia syndrome: a retrospective, open-label case series

 

Prior MC

With MC

P

Prior MC

With MC

P

Prior MC

With MC

P

NRS

1 month, 30 patients

3 months, 18 patients

12 months, 12 patients

Median

8

6

<0.01

8

4

<0.01

8.5

4

<0.01

IQR

1.25

3.25

 

2

2.25

 

2

2.75

 

Mean

8

6

 

8

4

 

8.5

4

 

± SD

1.4

2.3

 

1

1.8

 

1.2

2.1

 
  1. MC medical cannabis, IQR interquartile range, ± plus/minus, SD standard deviation. The analgesic efficacy was measured with numerical rating scale (NRS) in 38 patients with fibromyalgia syndrome treated with medical cannabis at an Italian pain clinic. Wilcoxon signed-rank test was used to evaluate differences between time points