In binary split, the AUC of ACT score predicting GINA not-controlled asthma was 0.85 (95% CI 0.80 - 0.88) with sensitivity of 70%, specificity of 93%, positive predictive value of 89%, negative predictive value of 79%, positive likelihood ratio of 9.6, negative likelihood ratio of 0.3 and correctly classified rate of 83% with a cut off point of 19.