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International Journal of Phytomedicine and Phytotherapy

Table 1 Mean and standard error of the mean (SEM) of participants’ characteristics at baseline

From: A preliminary study of the efficacy of the polyherbal preparation Sao Thong Tai for erectile dysfunction among elderly men: a double-blind, randomized controlled trial

Characteristics STT (n=27)
mean±SEM
Placebo (n=27)
mean±SEM
p-value
Age (yrs.) 54.6±0.9 58.6±1.1 0.009
Marriage (yrs.) 22.0±1.8 27.5±1.5 0.022
Weight (kg) 74.0±2.2 68.4±2.0 0.067
Waist (in) 34.9±0.6 34.3±0.7 0.558
BMI (kg/m2) 26.0±0.7 25.3±0.7 0.463
IIEF-5 16.3±0.5 16.7±0.4 0.052