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Table 1 Microanatomy encountered during microsurgical subinguinal varicocelectomy

From: Anatomical factors affecting the time required for microsurgical subinguinal varicocelectomy

Variable Entire cohort Grade 1–2 Grade 3 p value
Number 326 62 264  
Perforating ESV (%) 186 (57.1) 32 (51.6) 154 (58.3) 0.112
Gubernacular vein (%) 283 (86.8) 54 (87.1) 229 (86.7) 0.941
Number of gubernacular veins 2.1 ± 1.2 1.9 ± 1.1 2.1 ± 1.3 0.115
Number of ISVs 8.2 ± 2.3 7.5 ± 1.7 8.3 ± 2.4 0.022
Number of ISA (%)
 1 artery 200 (61.3) 37 (59.7) 163 (61.7) 0.871
 2 arteries 113 (34.7) 23 (37.1) 90 (34.1)
 3 arteries 13 (4.0) 2 (3.2) 11 (4.2)
ISA type (%)
 I 45 (13.8) 16 (25.8) 29 (11.0) 0.018
 II 186 (57.1) 33 (53.2) 153 (58.0)
 III-a 64 (19.6) 8 (12.9) 56 (21.2)
 III-b 31 (9.5) 5 (8.1) 26 (9.8)
Number of lymphatics 5.0 ± 1.2 4.8 ± 1.3 5.1 ± 1.2 0.120
Additional vasal vein (%) 82 (25.2) 9 (14.5) 73 (27.7) 0.032
Number of cremasteric veins 2.4 ± 0.9 2.2 ± 0.7 2.5 ± 1.0 0.094
Number of cremasteric arteries 1.5 ± 0.7 1.5 ± 0.9 1.6 ± 0.8 0.526
  1. ESV external spermatic vein, ISA internal spermatic artery, ISV internal spermatic vein