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Table 1 Demographic and surgery-related parameters

From: Do we need antibiotic prophylaxis in endoscopic inguinal hernia repair? Results of the Herniamed Registry

  Antibiotic prophylaxis No antibiotic prophylaxis p value
Demographic parameters
Age
 Years ± SD 58.3 ± 16.3 55.6 ± 16.8 <0.001
Sex
 Male 53,703 (88.28 %) 21,141 (87.35 %)  
 Female 7128 (11.72 %) 3061 (12.65 %) <0.001
ASA score
 I 19,188 (31.54 %) 9,276 (38.33 %)  
 II 31,028 (51.01 %) 12,111 (50.04 %)  
 III 10,300 (16.93 %) 2740 (11.32 %)  
 IV 315 (0.52 %) 75 (0.31 %) <0.001
Surgery-related parameters
Operation technique
 Laparoscopic 35,567 (58.47 %) 12,634 (52.20 %)  
 Open 25,264 (41.53 %) 11,568 (47.80 %) <0.001
Risk factors
 Yes 19,183 (31.53 %) 6373 (26.33 %)  
 No 41,648 (68.47 %) 17,829 (73.67 %) <0.001
Defect size
 I (<1.5 cm) 9772 (16.06 %) 4509 (18.63 %)  
 II (1.5–3 cm) 35,381 (58.16 %) 13,383 (55.30 %)  
 III (>3 cm) 15,678 (25.77 %) 6310 (26.07 %) <0.001
Primary operation
 Yes 54,018 (88.80 %) 21,833 (90.21 %)  
 No 6813 (11.20 %) 2369 (9.79 %) <0.001