Table 2 BDNF rs6265 genotype effects on the menstrual pain experience of PDM.

From: The BDNF Val66Met polymorphism is associated with the functional connectivity dynamics of pain modulatory systems in primary dysmenorrhea

 

Met/Met (n = 17)

Val/Met (n = 20)

Val/Val (n = 19)

Total (n = 56)

p Value

Absenteeism (%)

11 (64.7%)

12 (60%)

11 (57.9%)

34 (60.7%)

0.942

No absenteeism (%)

6 (35.3%)

8 (40%)

8 (42.1%)

20 (39.3%)

 

Drug taken (%)

10 (58.8%)

5 (25%)

8 (42.1%)

23 (41.1%)

0.113

No drug taken (%)

7 (41.2%)

15 (75%)

11 (57.9%)

33 (58.9%)

 

Pain history, year (SD)

8.9 (2.21)

10.8 (3.28)

8.7 (3.27)

9.5 (3.09)

0.069

Recalled PRI scores (SD)

34.7 (13.19)

36.0 (12.80)

34.2 (15.61)

35.0 (13.69)

0.923

Present PRI scores * (SD)

34.7 (13.65)

29.1 (10.03)

29.9 (13.29)

31.2 (12.35)

0.358

  1. *Three PDM subjects did not complete the McGill Pain Questionnaire and were excluded from this calculation.
  2. BDNF, brain-derived neurotrophic factor; PDM, primary dysmenorrhea; PRI, pain rating index; Val, valine; Met, methionine.
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