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Table 5 Illness classification at the time of the clinical study by surveillance criteria and by standardized clinically empirical criteria of 164 study participants with no medical or psychiatric exclusions.

From: Chronic Fatigue Syndrome – A clinically empirical approach to its definition and study

Current Classification Surveillance Criteria CFS ISF Not Ill  
CFS 10 (62.5) 6 (37.5) 0 16
ISF 32 (42.1) 38 (50.0) 6 (7.9) 76
Remission 1 (4.2) 13 (54.1) 10 (41.7) 24
Control 0 4 (8.3) 44 (91.7) 48
  43 61 60 164
  1. Columns show number of subjects and (percent of row)
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