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Table 4 Changes in the body mass index (BMI) of patients in the two study groups during the follow-up

From: Impact of Moringa oleifera lam. Leaf powder supplementation versus nutritional counseling on the body mass index and immune response of HIV patients on antiretroviral therapy: a single-blind randomized control trial

Study groups Mean BMI (SD)
  n Admission 1st month 2nd month 3rd month 4th month 5th month 6th month
Moringa group 30 21.8 (4.2) 22.9 (4.2) 23.5 (4.1) 23.8 (4.0) 24.1 (4.0) 24.1 (4.2) 24.4 (4.0)
Control group 30 21.4 (3.8) 21.6 (3.8) 21.7 (3.7) 21.9 (3.7) 22.1 (3.6) 22.3 (3.7) 22.4 (3.7)
Diff (CI at 95%)   0.4 (−1.3 to 2.7) 1.3 (−1,1 to 3.1) 1.8 (−0,9 to 3.3) 1.9 (−0.5 to 3.6) 2 (−0.3 to 3.7) 1.8 (−0.2 to 3.7) 2 (−0.2 to 4.0)
P (interaction)    <0.001
  1. Diff [CI at 95%] Difference [confidence interval at 95%], SD standard deviation