Table 3. Results of multivariate analysis
Odds ratio p-value Regression coefficient Points in prediction scorea
Age at time of diagnosis 0.83 (0.72-0.95) .008 -0.189 -2
Tree pollen allergy 4.16 (1.33-13.03) .014 1.425 14
Ever wheezing 2.87 (1.20-6.91) .018 1.056 11
Nocturnal cough 3.56 (1.02-12.42) .046 1.271 13
FEF75 < 65% 3.08 (1.04-9.13) .043 1.123 11
Abbreviations: FEF75, forced expiratory flow at 75 percent of vital capacity. Odds ratio is presented with 95% confidence interval. aPoints were calculated based on regression coefficients multiplied by a factor 10 and rounded off to the next integer number. Abbreviations: FEF75, forced expiratory flow at 75 percent of vital capacity. Odds ratio is presented with 95% confidence interval. aPoints were calculated based on regression coefficients multiplied by a factor 10 and rounded off to the next integer number. Abbreviations: FEF75, forced expiratory flow at 75 percent of vital capacity. Odds ratio is presented with 95% confidence interval. aPoints were calculated based on regression coefficients multiplied by a factor 10 and rounded off to the next integer number. Abbreviations: FEF75, forced expiratory flow at 75 percent of vital capacity. Odds ratio is presented with 95% confidence interval. aPoints were calculated based on regression coefficients multiplied by a factor 10 and rounded off to the next integer number. Abbreviations: FEF75, forced expiratory flow at 75 percent of vital capacity. Odds ratio is presented with 95% confidence interval. aPoints were calculated based on regression coefficients multiplied by a factor 10 and rounded off to the next integer number.