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. 2016 Nov 15;17:152. doi: 10.1186/s12931-016-0461-1

Table 2.

Descriptive statistics of the estimated propensity scores of EHR and RCT data

Population n Mean SD Min Median Max
RCT 239 0.50 0.24 0.03 0.51 0.95
EHR 450 0.26 0.17 0.03 0.23 0.88