Shrinkage of Prostate and Improved Quality of Life: Management of BPH Patients with Croton membranaceus Ethanolic Root Extract

Table 5

Table showing the different levels of total PSA (tPSA), free PSA (fPSA), PSA ratio, and prostate volume before and after three (3) months of administration of C.  membranaceus ethanolic root extract at 20 mg t.i.d.

Parameter	Mean ± SD (before)	Mean ± SD (after)	value
Total PSA (ng/mL)	27.4 ± 19.0	16.2 ± 11.8	0.002
Free PSA (ng/mL)	6.1 ± 4.8	3.9 ± 2.9	0.045
PSA ratio (%)	23.9 ± 18.7	24.6 ± 16.4	0.813
Prostate volume (cm^3)	101.8 ± 41.3	54.5 ± 24.8	0.023

Significance at 95% confidence interval.