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Table 6 Change in VTE as defined by AHRQ PSI by hospital across the study time periods

From: Effectiveness of a novel and scalable clinical decision support intervention to improve venous thromboembolism prophylaxis: a quasi-experimental study

  Period 1 Period 2 Period 3 P Value
Hospital A     
DVT 2.27 (%) 2.27 (%) 1.56 (%) <0.01
PE 0.68 (%) 0.71 (%) 0.80 (%) 0.34
DVT/PE 2.82 (%) 2.80 (%) 2.18 (%) <0.01
Hospital B     
DVT 1.05 (%) 0.88 (%) 0.44 (%) <0.01
PE 0.42 (%) 0.41 (%) 0.71 (%) <0.01
DVT/PE 1.42 (%) 1.20 (%) 1.09 (%) 0.06
Hospital C     
DVT 1.64 (%) 1.67 (%) 1.08 (%) <0.01
PE 0.29 (%) 0.27 (%) 0.62 (%) <0.01
DVT/PE 1.83 (%) 1.86 (%) 1.48 (%) 0.10
Overall     
DVT 1.77 (%) 1.75 (%) 1.15 (%) <0.01
PE 0.52 (%) 0.53 (%) 0.74 (%) <0.01
DVT/PE 2.18 (%) 2.15 (%) 1.73 (%) <0.01
  1. Abbreviations: AHRQ PSI, Agency for Healthcare Research and Quality Patient Safety Indicator; DVT, deep venous thrombosis; PE, pulmonary embolism; VTE, venous thromboembolism.