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Journal of Patient-Reported Outcomes
Fig. 4 | Journal of Patient-Reported Outcomes

Fig. 4

From: A prospective study to validate the functional assessment of cancer therapy (FACT) for epidermal growth factor receptor inhibitor (EGFRI)-induced dermatologic toxicities FACT-EGFRI 18 questionnaire: SWOG S1013

Fig. 4

Cronbach’s alpha. Cronbach’s alpha is a measure of internal consistency reliability. Reliability was assessed for the FACT-EGFRI 14 14-item score for the 14 skin toxicities and the full FACT-EGFRI 18 scale of 18 items. Coefficients of > 0.70 are considered sufficient evidence of reliability

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