Potential Risk Factors for the Onset of Complex Regional Pain Syndrome Type 1: A Systematic Literature Review

Table 6

Results presenting quality and relevance of data extraction for onset of CRPS 1 from retrospective studies.

Retrospective studies	Population sample representative	Adequate control group	Study attrition described	Risk/predictor outcome adequately defined	Risk/predictor outcome adequately measured	Analysis statistically appropriate	Quality
Allen et al. 1999 [42]	No	No	No	Yes	Yes	Yes	Adequate
de Mos et al. 2007 [5]	Yes	Yes	No	Yes	Yes	Yes	Good
Sandroni et al. 2003 [4]	Yes	No	Yes	Yes	Yes	Yes	Good
Duman et al. 2007 [43]	No	No	No	Yes	No	No	Poor
van Rijn et al. 2007 [22]	Yes	No	No	Yes	Yes	Yes	Good
Anderson and Fallat 1999 [44]	Yes	No	No	No	Yes	Yes	Poor