Tables
Accuracy of individual/combination testing using PICADAR and nasal nitric oxide (nNO)
Accuracy of single test (nNO or PICADAR) Accuracy of simultaneous testing (nNO or PICADAR positive) nNO (30nl/min) nNo (77nl/min) nNo (100nl/min) PICADAR nNO (30nl/min) + PICADAR nNO (77nl/min) + PICADAR nNO (100nl/min) + PICADAR True pos 30 31 33 29 31 31 33 True neg 105 91 81 105 99 86 78 False pos 6 20 30 6 12 25 33 False neg 3 2 0 4 2 2 0 Sens.(95% CI) 0.91 (0.76-0.98) 0.94 (0.80-0.99) 1.00 (0.89-1.00) 0.88 (0.72-0.97) 0.94 (0.80-0.99) 0.94 (0.80-0.99) 1.00 (0.89-1.0) Spec.(95% CI) 0.95 (0.89-0.98) 0.82 (0.74-0.89) 0.73 (0.64-0.81) 0.95 (0.89-0.98) 0.89 (0.82-0.94) 0.78 (0.69-0.85) 0.70 (0.60-0.79)