Table 2 Patient 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) |
|---|---|---|---|---|
Age (years) | 58 (14) | 63 (12) | < 0.001 | 1.03 (1.02 to 1.04) |
Sex (female) | 603 (53%) | 79 (51%) | 0.67 | 0.92 (0.66 to 1.29) |
Active Smoking | 206 (18%) | 17 (11%) | 0.031 | 0.56 (0.33 to 0.94) |
Alcohol intake > 2 units/ daya | 32 (2.8%) | 3 (1.9%) | 0.45 | 0.68 (0.21 to 2.25) |
BMI (kg/m^2) | 27 (4.8) | 29 (5.6) | < 0.001 | 1.06 (1.03 to 1.10) |
bLung Disease | 101 (8.9%) | 27 (17%) | 0.002 | 2.16 (1.36 to 3.44) |
COPD | 17 (1.5%) | 5 (3.2%) | 0.17 | 2.20 (0.80 to 6.04) |
Asthma | 36 (3.2%) | 13 (8.4%) | 0.005 | 2.80 (1.45 to 5.41) |
Other severe lung disease | 56 (4.9%) | 17 (11%) | 0.005 | 2.38 (1.34 to 4.21) |
Congestive or ischemic heart disease | 67 (5.9%) | 16 (10%) | 0.05 | 1.84 (1.04 to 3.26) |
Liver disease | 10 (0.88%) | 0 (0.00%) | 0.62 | 0.00 (0.00 to 2.81) |
Renal insufficiency | 9 (0.79%) | 2 (1.3%) | 0.63 | 1.64 (0.35 to 7.65) |
Diabetes | 72 (6.3%) | 9 (5.8%) | 1.00 | 0.91 (0.45 to 1.86) |
Cerebrovascular disease (TIA or CVI) | 35 (3.1%) | 10 (6.5%) | 0.06 | 2.17 (1.05 to 4.48) |
ASA (calculated) | < 0.001 | 1.65 (1.30 to 2.09) | ||
1 | 406 (36%) | 37 (24%) | ||
2 | 537 (47%) | 70 (45%) | ||
3 | 192 (17%) | 48 (31%) | ||
4 | 1 (0.09%) | 0 (0.00%) | ||
Type of Surgery | < 0.001 | |||
Spine | 206 (18%) | 33 (21%) | 1.22 (0.81 to 1.85) | |
Hip | 413 (36%) | 11 (7.1%) | 0.13 (0.07 to 0.25) | |
Upper extremity | 95 (8.4%) | 3 (1.9%) | 0.22 (0.07 to 0.69) | |
Knee | 283 (25%) | 101 (65%) | 5.64 (3.95 to 8.06) | |
Foot | 140 (12%) | 7 (4.5%) | 0.34 (0.15 to 0.73) |