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Table 5 Related samples Wilcoxon Signed Rank test for correctness of indicator scoresa of survey data and EHR data

From: Data extraction from electronic health records (EHRs) for quality measurement of the physical therapy process: comparison between EHR data and survey data

Indicator Survey data EHR data
Mean score (sd) Mean score (sd) % relative changeb Z-score N
1 – Screening and diagnostics direct access patient 0.97(0.11) 0.90(0.26) -7.2 -16.17* 4,553
2 – Screening and diagnostics referred patient 0.99(0.05) 0.95(0.16) -4.0 -13.15* 5,121
3 – Main goal administrated 0.96(0.12) 0.99(0.06) +3.1 24.61* 5,818
8 – Information shared with patient 0.85(0.27) 0.87(0.24) +2.4 4.055* 5,602
  1. aMean score for survey and EHR data, ranging from 0-1
  2. bMeasured as (EHR-Survey)/Survey*100 %
  3. *p < 0.001