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Table 1 Sex ratio and mean age in the different clinical groups after allocation of patients and controls according to Rome II FGID groups[5]and Fukuda CDC criteria[34]for the three analysis categorizations used in the present study

From: Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome

     Breakdown into recruited groups
  Age (mean (SD)) Females (%) Total participants, n Exposed patients, fatigue at 3 years, n Exposed controls, no fatigue at 3 years, n Unexposed, healthy controls, n
Fatigue categorization       
 no-fatigue 40.9 (11.7) 72 32 0 22 10
 CFS 45.5 (9.1) 79 19 19 0 0
 ICF 37.8 (8.9) 80 5 5 0 0
 Fatigue other cause 45.5 (15.2) 100 12 12 0 0
 Fatigue recovered 36.0 (9.6) 58 12 12 0 0
FGID categorization       
 no-FGID 41.8 (13.2) 78 26 5 11 10
 All FGID 41.4 (10.8) 76 54 43 11 0
   PI-FGID 40.8 (10.2) 76 45 36 9 0
  IBS 41.7 (10.4) 80 30 27 3 0
   PI-IBS 40.4 (10.4) 79 24 22 2 0
  Other FGID 41.1 (11.5) 71 24 16 8 0
Combined categorization       
 no-FGID/no-fatigue 39.9 (12.5) 74 23 2 11 10
 FGID&CFS/ICF 44.3 (9.4) 78 23 23 0 0
 CFS, no-FGID 35.0 100 1 1 0 0
 FGID, no-fatigue 39.1 (10.1) 62 21 10 11 0
 Fatigue other cause w/wo FGID 45.5 (11.5) 100 12 12 0 0
  1. Abbreviations: CFS: chronic fatigue syndrome, FGID: functional gastrointestinal disorder, ICF: idiopathic chronic fatigue, IBS: irritable bowel syndrome, PI: post-infectious.
  2. Subgroups of interest within each group are indicated by indents.