Table 3 Surgical characteristics
From: Prolonged antibiotic prophylaxis use in elective orthopaedic surgery – a cross-sectional analysis
Characteristics | SAP (N = 1137) | PSAP (N = 155) | P-Value | OR (95% CI) |
|---|---|---|---|---|
Foreign material | < 0.001 | |||
Prosthetic surgery | 517 (45%) | 96 (62%) | 3.57 (1.92 to 6.64) | |
Metal or non-absorbable synthetic material | 389 (34%) | 47 (30%) | 2.33 (1.21 to 4.48) | |
No foreign material | 231 (20%) | 12 (7.7%) | Reference | |
Surgeon ≥50 operations | < 0.001 | |||
A | 183 (16%) | 4 (2.6%) | 0.19 (0.05 to 0.68) | |
B | 125 (11%) | 2 (1.3%) | 0.14 (0.03 to 0.70) | |
C | 179 (16%) | 7 (4.5%) | 0.33 (0.11 to 1.03) | |
D | 87 (7.7%) | 51 (33%) | 4.98 (2.00 to 12.4) | |
E | 126 (11%) | 19 (12%) | 1.28 (0.48 to 3.39) | |
F | 123 (11%) | 7 (4.5%) | 0.48 (0.15 to 1.51) | |
G | 49 (4.3%) | 16 (10%) | 2.78 (1.00 to 7.67) | |
H | 59 (5.2%) | 0 (0.0%) | 0.00 (0.00 to 0.45) | |
I | 51 (4.5%) | 6 (3.9%) | Reference | |
Duration of operation (minutes) | 68 (41) | 87 (45) | < 0.001 | 1.01 (1.01 to 1.01) |
Type of anesthesiaa | ||||
ITN (intubation anesthesia) | 449 (39%) | 51 (33%) | 0.13 | 0.75 (0.53 to 1.07) |
SPA (spinal anesthesia) | 557 (49%) | 90 (58%) | 0.040 | 1.44 (1.03 to 2.02) |
LMA (larynx mask anesthesia) | 76 (6.7%) | 9 (5.8%) | 0.86 | 0.86 (0.42 to 1.75) |
Regional anesthesia | 64 (5.6%) | 9 (5.8%) | 0.85 | 1.03 (0.50 to 2.12) |
Others | 20 (1.8%) | 0 (0.00%) | 0.16 | 0.00 (0.00 to 1.39) |