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Table 5 Logistic regression analyses predicting ED visits and hospitalizations of asthma and COPD patients in the first year of follow-up

From: Utility of brief questionnaires of health-related quality of life (Airways Questionnaire 20 and Clinical COPD Questionnaire) to predict exacerbations in patients with asthma and COPD

  ED visits Hospitalizations
Predictors OR 95% CI p Predictors* OR 95% CI p
ASTHMA         
AQ20 Model         
  AQ20 1.19 1.05-1.34 0.004 AQ20 1.21 1.01-1.45 0.041
     BMI 1.25 1.01-1.54 0.034
     Previous hosp. 12.98 2.57-65.49 0.002
SGRQ Model         
  HADS anxiety 1.18 1.04-1.34 0.01 BMI 1.23 0.99-1.51 0.034
     Previous hosp. 10.07 2.19-46.41 0.003
AQLQ Model         
  AQLQ total score 0.97 0.45-0.99 0.002 - - - -
     BMI 1.27 1.04-1.54 0.016
     Previous hosp. 11.12 2.56-48.24 0.001
COPD         
CCQ Model CCQ total score 1.06 1.00-1.11 0.036 - - - -
  BMI 0.87 0.76-0.99 0.041 BMI 0.79 0.66-0.96 0.002
Previous hosp. 1.79 1.12-2.87 0.014 Previous hosp. 2.60 1.44-4.69 0.001
SGRQ Model         
  - - - - BMI 0.82 0.68-0.98 0.03
     Previous hosp. 2.55 1.42-4.60 0.001
     Disease duration 1.09 1.00-1.18 0.03
  1. *Only predictors with p values < .0.5 are included.
  2. AQ20 Airways Questionnaire 20, HADS Hospital Anxiety and Depresion Scale, CCQ Clinical COPD Questionnaire, BMI Body mass index.
  3. Variables with p < .1 included in the different multivariate models are: 1) ED visits in asthma: age, sex, HADS anxiety, HADS depresion 2) Hospitalizations in asthma: age, sex, GINA severity , previous ED visits , previous hospitalizations, BMI, HADS anxiety, HADS depresion. 3) ED visits in COPD: age, sex, previous hospitalizations, BMI, socioeconomical level, active smoking, 6MWT. 4) COPD hospitalizations: age, sex, disease duration, BMI, socioeconomical level, 6MWT, BODE index, previous hospitalizations.