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Table 5 Summary of total Aging male symptoms (AMS) score by visit and treatment

From: A double blind, placebo-controlled randomized comparative study on the efficacy of phytosterol-enriched and conventional saw palmetto oil in mitigating benign prostate hyperplasia and androgen deficiency

Visit Observed value Change from baseline
Intervention
(VISPO)
n = 33
Comparator
(SPO)
n = 33
Placebo
n = 33
p-value** Intervention
(VISPO)
n = 33
p-value* Comparator
(SPO)
n = 33
p-value* Placebo
n = 33
p-value* p-value**
Visit 1 45.06 ± 9.28 44.64 ± 9.05 45.42 ± 10.39 0.9461)  
Visit 2 43.52 ± 8.61 43.97 ± 9.01 46.06 ± 9.66 0.4831) −1.55 ± 2.18a < 0.001 − 0.67 ± 1.80a 0.041 0.64 ± 1.71b 0.040 < 0.0012)
Visit 3 41.42 ± 7.52a 43.52 ± 8.76ab 47.12 ± 9.73b 0.0311) − 3.64 ± 4.76a < 0.001 −1.12 ± 4.14a 0.129 1.70 ± 3.37b 0.007 < 0.0012)
  1. Data are presented as Mean ± SD; n = No of subjects
  2. a-b values within a row with different superscript letters differ (p < 0.05), as analysed by one-way ANOVA
  3. *p values were compared within each group from baseline using paired t test
  4. **p values were compared between groups
  5. 1)P values were derived from ANOVA, and Scheffe test was used to post hoc test
  6. 2)P values were derived from Kruskal-Wallis test, and Dunnett T3 test was used to post hoc test