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Table 2 Data synthesis rules for carer reviewer ratings

From: Measuring carer quality of life in Duchenne muscular dystrophy: a systematic review of the reliability and validity of self-report instruments using COSMIN

Criteria Synthesised rating
≥ 75% of ratings are+/−/? +/−/?
< 75% of ratings are+/−/?, equal number of+/− ±
< 75% of ratings are+/−/?, greater number of + than −  ± (+)
< 75% of ratings are+/−/?, greater number of − than +  ± (−)
Only one carer rating is ? Ignore ? and rate as above
Two carer ratings are ? and only one other carer rating is ± ?