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Table 2 Improved diagnostic decision making

From: Use of handheld computers in clinical practice: a systematic review

Diagnostic decision assessed Percentage of episodes with PDA (n/n) Percentage of episodes without PDA (n/n) Percentage absolute difference (95% CI) Number needed to test/
screen
P Value
Appropriate diagnostic strategy for pulmonary embolism [17] 55% 378/694 26% 245/951 29% 4 0.023
Adherence to recommended diagnostic testing [17] 41% 287/694 17% 162/951 24% (20-29) 5 0.030
Appropriate referral for cardiac stress testing at presentation [18] 49% 18/37 29% 8/28 20% 5 0.284
Appropriate referral for nuclear cardiology after cardiac stress testing [18] 63% 17/27 45% 5/11 18% (14-50) 6 0.4
Appropriate obesity-related diagnosis [19] 11% 91/807 1% 10/997 10% (8-13) 10 <0.05
Missed obesity-related diagnosis [19] 25% 51/208 67% 440/662 42% (35-48) 3 <0.05