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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