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Table 2 Univariate analysis of SA+ and SA- groups

From: What is the most cost‐effective strategy for nasal screening and Staphylococcus aureus decolonization in patients undergoing total hip arthroplasty?

        95% Confidence interval
Parameter   n SA+ (n=445) SA- (n=1209) P-value Odds ratio Lower Upper
Sex Female 1464 411 (28.1%) 1053 (71.9%) 0.003 * 1.790 1.205 2.724
  Male 190 34 (17.9%) 156 (82.1%)     
Age (years) ≥80 70 18 (25.7%) 52 (74.3%) 0.891 0.938 0.510 1.652
  <80 1584 427 (27.0%) 1157 (73.0%)     
BMI (kg/m2) ≥30 93 29 (31.2%) 64 (68.8%) 0.337 1.247 0.764 1.994
  <30 1561 416 (26.6%) 1145 (73.4%)     
Antibiotic use within 3 years  + 337 84 (24.9%) 253 (75.1%) 0.372 0.879 0.659 1.165
   - 1317 361 (27.4%) 956 (72.6%)     
Corticosteroid use  + 36 10 (27.8%) 26 (72.2%) 0.852 1.046 0.446 2.264
   - 1618 435 (26.9%) 1183 (73.1%)     
Albumin (g/dL) <3.5 18 6 (33.3%) 12 (66.7%) 0.593 1.363 0.417 3.953
  ≥3.5 1636 439 (26.8%) 1197 (73.2 %)     
GFR (mL/min) <50 108 30 (27.8%) 78 (72.2%) 0.823 1.048 0.654 1.643
  ≥50 1546 415 (26.8%) 1131 (73.2%)     
Brain disease  + 54 9 (16.7%) 45 (83.3%) 0.088 0.534 0.228 1.118
   -  1600 436 (27.3%) 1164 (72.7%)     
Thyroid disease  + 29 11 (37.9%) 18 (62.1%) 0.204 1.676 0.709 3.783
   - 1625 434 (26.7%) 1191 (73.3%)     
Cardiac disease  + 21 9 (42.9%) 12 (57.1%) 0.133 2.058 0.760 5.364
   - 1633 436 (26.7%) 1197 (73.3%)     
Pulmonary disease  + 20 5 (25.0%) 15 (75.0%) 1.000 0.905 0.256 2.638
   - 1634 440 (26.9%) 1194 (73.1%)     
Diabetes  + 109 32 (29.4%) 77 (70.6%) 0.576 1.139 0.718 1.771
   - 1545 413 (26.7%) 1132 (73.3%)     
Asthma  + 55 17 (30.9%) 38 (69.1%) 0.536 1.224 0.641 2.249
   - 1599 428 (26.8%) 1171 (73.2%)     
Smoking  + 76 16 (21.1%) 60 (78.9%) 0.289 0.714 0.380 1.273
   - 1578 429 (27.2%) 1149 (72.8%)     
Revision surgery  + 155 32 (20.6%) 123 (79.4%) 0.071 0.684 0.441 1.036
   - 1499 413 (27.6%) 1086 (72.4%)     
  1. BMI Body mass index, GFR Glomerular filtration rate. *P<0.05Values are shown as the number of patients (%). Fisher's exact test.