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Table 1 Comparative data of the 2 groups about number and percentage of patients achieving improvement in the IIEF score at the follow up evaluations

From: Safety and efficacy of platelet-rich plasma injection for treatment of erectile dysfunction: a prospective randomized controlled study

Patients with improvement in IIEF score

PRP group

Placebo group

RD (95% CI)

P value

1 Month

4/26 (15.4%)

7/26 (26.9%)

-11.5% (10.4,-11.6)

0.308

3 Months

9/26 (34.6%)

15/26 (57.7%)

-23.1% (11.85, -15)

0.095

6 Months

11/26 (42.3%)

10/26 (38.5%)

3.8% (13.8 to -13.2)

0.777

  1. a. Data presented as numbers and percentages
  2. b. Statistical test used: chi-square test
  3. c. Abbreviations: PRP Platelet rich plasma, IIEF International index of erectile function, CI Confidence interval, RD Risk difference
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Basic and Clinical Andrology

ISSN: 2051-4190