Table 1 Comparison of proportions of positive screening sites of CPE versus CPNF
From: Screening sites for detection of carbapenemase-producers– a retrospective cohort study
Localization | CPE N = 115 | CPNF N = 43 | Univariable analysis | Multivariable correction for CCI Scored | ||||
|---|---|---|---|---|---|---|---|---|
All N (%) | Positive N (%) | Negative N (%) | All N (%) | Positive N (%) | Negative N (%) | ORe (95%CI), p-valuef | ORe (95%CI), p-valuef | |
Screening samples (N = 453) | ||||||||
Rectal swab | 98 (85.2) | 75 (76.5) | 23 (23.5) | 29 (67.4) | 12 (41.4%) | 17 (58.6) | 4.62 (1.93–11.07), 0.001 | 4.58 (1.82–11.53), 0.001 |
Perianal swab | 2 (1.7) | 2 (100.) | 0 | 0 | 0 | 0 | ||
Urine Urinary cathetera | 72 (62.6) 20 (17.4) | 25 (34.7) 7 (35.0) | 47 (65.3) 13 (65.0) | 25 (58.1) 9 (20.9) | 3 (12.0) 0 (0.0) | 22 (88.0) 9 (100) | 3.90 (1.06–14.32), 0.040 – | 4.68 (1.20–18.26), 0.026 |
Groin swab | 45 (39.1) | 23 (51.1) | 22 (48.9) | 12 (27.9) | 4 (33.3) | 8 (66.7) | 2.09 (0.55–7.95), 0.279 | |
Throat swab | 43 (37.4) | 11 (25.6) | 32 (74.4) | 15 (34.9) | 9 (60.0) | 6 (40.0) | 0.23 (0.07–0.79), 0.020 | 0.20 (0.05–0.76), 0.018 |
Chronic wound swabb | 11 (9.6) | 4 (36.4) | 7 (63.6) | 9 (20.9) | 8 (88.9) | 1 (11.1) | 0.07 (0.01–0.80), 0.032 | 0.04 (0.00–0.72), 0.029 |
Acute wound swabc | 33 (28.7) | 9 (27.3) | 24 (72.7) | 16 (37.2) | 11 (68.8) | 5 (31.3) | 0.17 (0.05–0.63), 0.008 | 0.16 (0.04–0.63), 0.009 |
Vaginal swab | 2 (1.7) | 2 (100) | 0 | 1 (2.3) | 0 | 1 (100) | – | |
Insertion site vascular catheter | 22 (19.1) | 0 | 22 (100) | 12 (27.9) | 1 (8.3) | 11 (91.7) | – | |
Insertion site drainage | 3 (2.6) | 3 (100) | 0 | 3 (7.0) | 0 | 3 (100) | – | |
Clinical samples (N = 79) | ||||||||
Abscess | 4 (3.5) | 0 | – | |||||
Ascites | 1 (0.9) | 0 | – | |||||
Blood culture | 7 (6.1) | 6 (14.0) | 0.40 (0.13–1.27) 0.119 | |||||
Biopsy | 10 (8.7) | 4 (9.3) | 0.93 (0.28–3.13), 0.905 | |||||
Deep swab | 10 (8.7) | 1 (2.3) | 4.00 (0.50–32.20), 0.193 | |||||
Respiratory sample | 7 (6.1) | 16 (37.2) | 0.11 (0.04–0.29), < 0.001 | 0.11 (0.04–0.34), < 0.001 | ||||
Urine Urinary cathetera | 12 (10.4) 2 (1.7) | 1 (2.3) 1 (2.3) | 4.89 (0.62–38.83), 0.133 0.74 (0.07–8.41), 0.811 | |||||