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Table 3 Sperm retrieval rate was similar in the groups of patients who underwent or not a previous unsuccesful TESE

From: A novel stepwise micro-TESE approach in non obstructive azoospermia

 

Previous TESE

No previous TESE

Chi square

Positive sperm retrieval

6/23 (26 %)

12/41 (29 %)

P = 0.552