Table 1 Predictor variables in the best performing risk prediction model and their weighted scores

Age ≥ 60 years

0.910

1

Educated ≤ G.C.E. O/L

0.719

1

Having Diabetes Mellitus

0.609

1

Family history of Asthma

0.625

1

Ever smoked

1.022

1

Ever intubated/ given ICU care

1.194

1

Previous hospitalizations due to exacerbations

1.619

2

Uncontrolled asthma

1.232

1

Having symptomatic GORD

1.029

1

BMI ≥ 25 kg/m²

0.889

1

Total score

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