Skip to main content
. 2011 Jan;20(1):21–28. doi: 10.1089/jwh.2009.1900

Table 2.

Comparison of Gynecological History of Women with Chronic Fatigue Syndrome and Nonfatigued Controls

Study group CFS (n = 36) Controls (n = 48) OR (95% CI) p
Gynecological variable        
 Age at menarchea 12.3 ± 0.2 12.4 ± 0.2 ND 0.63
 Duration of menstrual period (n = 23)b 5.4 ± 0.4 5.0 ± 0.5 ND 0.55
 Bleeding between periodsc     ND 1.0
  Yes 1 (9.1) 1 (7.7)    
  No (n = 24)d 10 (90.9) 12 (92.3)    
 Amenorrheac        
  Yes 21 (53.9) 18 (46.2) 2.33 (0.88-6.23) 0.06
  No 15 (46.1) 30 (53.8) Reference  
 Number of pregnancies/womana 2.8 ± 0.3 2.0 ± 0.2 ND 0.05
 History of pelvic painc        
  Yes 8 (22.2) 1 (1.7) 13.43 (1.61-608.2) 0.004
  No 28 (77.8) 47 (98.3) Reference  
 History of endometriosisc        
  Yes 13 (36.1) 8 (16.7) 2.83 (1.02-7.83) 0.046
  No 23 (63.8) 40 (83.3) reference  
 Other gynecological conditionsc        
  Yes 12 (33.3) 8 (16.7) 2.50 (0.80-7.93) 0.078
  No 24 (66.7) 40 (83.3) reference  
 Any gynecological surgeryc        
  Yes 28 (77.8) 26 (54.2) 2.96 (1.02-8.79) 0.045
  No 8 (22.2) 22 (45.8) Reference  
 Number of gynecological surgeries per persona 1.75 ± 0.29 1.08 ± 0.20 ND 0.05
 History of other gynecological surgeryc,e        
  Yes 16 (44.4) 12 (25.0) 2.40 (0.86-6.75) 0.06
  No 20 (55.6) 36 (75.0)    
Menopausal womenc 25 (69.4) 35 (72.9)    
 Mean agea 55.6 ± 1.0 54.9 ± 1.1 ND 0.65
 Age at menopause (years)a 41.7 ± 2.3 (n = 20) 46.1 ± 1.5 (n = 28) ND 0.11
  Age at natural menopause 50.3 ± 1.5 (n = 6) 49.2 ± 1.6 (n = 16) ND 0.68
  Age at surgical menopause 31.9 ± 2.4 (n = 14) 38 ± 2.7 (n = 12) ND 0.29
 Duration of reproductive perioda 29.4 ± 2.2 (n = 20) 33.4 ± 1.5 (n = 28) ND 0.13
 Hysterectomyc        
  Yes 19 (76) 19 (54.3) 2.67 (0.76-9.72) 0.09
  No 6 (24) 16 (45.7) Reference  
 Oophorectomyc        
  Yes 14 (56) 12 (34.3) 2.44 (0.75-8.06) 0.11
  No 11 (44) 23 (65.7) Reference  
a

Mean ± SEM.

b

11 women with CFS and 12 controls.

c

n (%).

d

11 women with CFS and 13 controls.

e

Includes dilation and curettage (D&C), cesarean-sections, tubal ligations, and other.

CI, confidence interval; ND, net done; OR, odds ratio.