Table 2 Clinical data of pre-procedure prophylaxis

Pre-procedure antibiotic (n, %)

 Yes

107 (45.92)

57 (24.46)

< 0.0001

 No

126 (54.08)

176 (75.54)

< 0.0001

Timing of surgical antibiotic prophylaxis (n, %)

 < 60 min

57 (53.3)

55 (96.5)

0.824

 ≥ 60 min

50 (46.7)

2 (3.5)

< 0.0001

Antibiotics used (n, %)

 Ceftriaxone

85 (79.43)

48 (84.2)

< 0.0001

Frequency (n, %)

 Once

107 (100)

52 (91.2)

< 0.0001