Table 2 Independent predictors of non-dipping pattern after logistic regression

Serum sodium, mmol/L

 ≤ 140

Reference

 > 140

1.72

Serum urea, mmol/L

  ≤ 7.1

Reference

  > 7.1

1.56

Treatment arm

 Amlodipine plus HCTZ

Reference

 Amlodipine plus perindopril

1.13

 Perindopril plus HCTZ

0.73

Age category

 ≤ 55 years

Reference

 < 55 years

0.77

Office systolic BP

1.03

Office diastolic BP

0.97

Office heart rate

1.01