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. 2016 Oct 31;11:2711–2720. doi: 10.2147/COPD.S111629

Table 2.

The average amount of weight, height, and BMI in supplementation and control groups

Variables Measurement stage Supplementation group (n=45) Placebo group (n=45) P-valuea
Weight (kg) At baseline 67±4.6 68.33±4.3 0.42
On completion 67.18±3.3 68±3.7 0.25
P-valueb 0.07 0.07
BMI (kg/m2) At baseline 24.91±3.54 24.84±2.96 0.42
On completion 24.97±3.34 24.74±3.06 0.25
P-valueb 0.13 0.2
Height (cm) At baseline 164.13±10 166±8 0.46

Notes:

a

Independent-sample t-test significant difference in the 6th week between groups.

b

Paired t-test significant difference at the beginning and the end of the study in each group. Data are presented as mean ± SD.

Abbreviations: BMI, body mass index; SD, standard deviation.