Skip to main content

Table 1 Descriptive table of demographic variables of ME/CFS patients and controls

From: Sex-specific plasma lipid profiles of ME/CFS patients and their association with pain, fatigue, and cognitive symptoms

Characteristics Controls (n = 50) ME/CFS (n = 50) Total (n = 100)
Females Males Females Males Females Males
Sex (n) 25 (50%) 25 (50%) 25 (50%) 25 (50%) 50 (50%) 50 (50%)
Age (Mean \( \mp \)SD) 44.7 (12.2) 34.5 (9.7) 48.4 (9.9) 38.7 (12.9) 46.6 (11.2) 36.6 (11.5)
BMI \( \mp \) (Mean \( \mp \) SD) 27.2 (2.8) 27.4 (3.6) 26.9 (4.9) 26.2 (4.7) 27.0 (4.0) 26.8 (4.2)
Race/ethnicity
 Caucasian (n) 17 (34%) 18 (36%) 23 (46%) 20 (40%) 40 (40%) 38 (38%)
 Non-caucasian (n) 8 (16%) 7 (14%) 2 (4%) 5 (10%) 10 (20%) 12 (24%)
Symptoms
 Fatigue (n) 0 1 (2%) 21 (42%)*** 23 (46%)*** 21 (21%) 24 (24%)
 Physical pain (n) 2 (4%) 8 (16%) 24 (48%)*** 18 (36%)*** 26 (26%) 26 (26%)
 Headache (n) 2 (4%) 0 18 (36%)*** 14 (34%)*** 20 (20%) 14 (14%)
 Cognitive difficulties (n) 0 1 (2%) 17 (34%)*** 23 (46%)*** 17 (17%) 24 (24%)
Supplement
 DHA (n) 1 (2%) 1 (2%) 5 (10%) 3 (6%) 6 (6%) 4 (4%)
  1. Fisher exact test was used to calculate p-values
  2. *** p-value < 0.001 for the comparison of CFS patients versus their respective controls