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Table 3 Screening accuracy of the ACT for not well controlled asthma in African-American teens

From: Age and African-American race impact the validity and reliability of the asthma control test in persistent asthmatics

ACT score

κ

Sensitivity

Specificity

PPV

NPV

AUC

≤14

0.128

0.156

1.000

1.000

0.438

0.578

≤15

0.182

0.219

1.000

1.000

0.457

0.609

≤16

0.237

0.281

1.000

1.000

0.477

0.641

≤17

0.254

0.344

0.952

0.917

0.488

0.648

≤18

0.303

0.438

0.905

0.875

0.514

0.671

≤19

0.425

0.562

0.905

0.900

0.576

0.734

≤20

0.482

0.656

0.857

0.875

0.621

0.757

≤21

0.527

0.812

0.714

0.812

0.714

0.763

≤22

0.494

0.938

0.524

0.750

0.846

0.731

≤23

0.338

0.969

0.333

0.689

0.875

0.651

≤24

0.221

1.000

0.190

0.653

1.000

0.595