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Table 4 Summary of MANOVA showing significant predictors of the components; predictor variables included in the analysis were age, gender, ICS use, smoking status, smoking pack years and BMI

From: COPD phenotype description using principal components analysis

Component Independent Predictor P value
1 Nil -
2 Gender 0.04
  Smoking status 0.001
  Age 0.01
3 Nil -
4 ICS 0.03
  Pack years 0.001