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Table 3 Percentage of participants with controlled BP levels (systolic BP <140 mmHg and diastolic BP <90 mmHg) during follow-up in the PREDIMED trial a

From: Effect of the Mediterranean diet on blood pressure in the PREDIMED trial: results from a randomized controlled trial

  Intervention group  
  MedDiet+EVOO Pvalueb MedDiet+nuts Pvalueb Control Pvalueb Pvaluec
Baseline 33.6 (31.7 to 35.5) 31.1 (29.3 to 33.0) 31.1 (29.2 to 33.0) NA
Year 1 36.2 (34.2 to 38.2) 36.9 (34.8 to 39.0) 37.2 (34.9 to 39.4) >0.99
Year 2 38.6 (36.5 to 40.7) 40.4 (38.2 to 42.6) 41.4 (38.9 to 43.9) 0.35
Year 3 37.8 (35.7 to 40.0) 39.2 (36.8 to 41.5) 39.0 (36.4 to 41.5) >0.99
Year 4 39.9 (37.4 to 42.3) <0.001 41.5 (38.8 to 44.3) <0.001 42.6 (39.5 to 45.7) <0.001 0.69
  1. BP, blood pressure; MD+EVOO, Mediterranean diet plus extra virgin olive oil; MD+nuts, Mediterranean diet plus nuts; NA, not applicable.
  2. aAdjusted for center, age, sex and diabetes.
  3. b P-value for within-group changes.
  4. c P-value for between-group changes, after adjustment for multiple comparisons with the Bonferroni method.