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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Methodology of the DCCSS later fatigue study: a model to investigate chronic fatigue in long-term survivors of childhood cancer

Fig. 2

Flowcharts. a: Flowchart of the CCS participants. b: Flowchart of the sibling participants. IC – no participation: Gave consent, however did not participate. No/missing fat. Data: Did not complete the Checklist Individual Strength subscale fatigue (CIS-fatigue), or duration fatigue symptoms was unknown. When only one item of the CIS-fatigue was missing, the missing value was imputed with the mean score of the other seven items (n = 5 survivors and n = 3 siblings). Participants with two or more missing values on the CIS-fatigue were excluded

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