1: S.aureus n = 30 | 2: CoNS total n = 26 | 3: CoNS confirmed n = 15 | 4:CoNS probable n = 11 | p 1 vs 2 | p 1 vs 3 | p 3 vs 4 | |
---|---|---|---|---|---|---|---|
Age (mean [95% CI]) | 61 [56; 67] | 70 [66; 75] | 71[64; 78] | 70 [64; 76] | 0.01 | 0.02 | 0.6 |
Male n (%) | 21 (70) | 19 (73) | 11 (73) | 8 (73) | 0.8 | 0.8 | 1 |
Site n (%) | 0.7 | 0.8 | 0.3 | ||||
- Cervical | 3 (10) | 3 (12) | 1 (7) | 2 (18) | |||
- Thoracic | 7 (23) | 7 (27) | 3 (20) | 4 (36) | |||
- Lumbar | 18 (60) | 16 (62) | 11 (73) | 5 (45) | |||
Symptoms for more than 15 days n (%) | 18 (60) | 23 (88) | 13 (87) | 10 (91) | 0.01 | 0.07 | 0.7 |
Duration (d) of hospitalization (median [95% CI]) | 28 [23.4;. 32.6] | 21.5 [16.5; 26.4] | 23.6 [15.8; 31.4] | 18.5 [12.4; 24.7] | 0.05 | 0.3 | 0.3 |
Temperature > 38 °C n (%) | 15 (50) | 5 (19) | 5 (33) | 0 (0) | 0.01 | 0.3 | 0.05 |
Presence of risk factors n (%) | 14 (47) | 15 (58) | 9 (60) | 6 (55) | 0.4 | 0.4 | 0.8 |
Cancer n (%) | 0 (0) | 4 (15) | 3(20) | 1 (9) | 0.04 | 0.03 | 0.6 |
Diabetes n (%) | 9 (30) | 8 (31) | 5 (33) | 3 (27) | 0.9 | 0.8 | 1 |
Entry site | |||||||
-Cutaneous n (%) | 9 (30) | 6 (23) | 2 (13) | 4 (36) | 0.5 | 0.3 | 0.13 |
-Catheter n (%) | 1 (3) | 5 (19) | 3 (20) | 2(18) | 0.08 | 0.1 | 1 |
Blood cultures n (%) | 20 (71) | 13 (50) | 12 (80) | 1 (9) | 0.1 | 0.5 | 0.001 |
Percutaneous needle biopsy made n (%) | 11 (37) | 19 (73) | 9 (60) | 10 (90) | 0.008 | 0.1 | 0.07 |
Positive percutaneous needle biopsy n (%) | 9 (82) | 16 (84) | 7 (78) | 9 (90) | 0.8 | 0.8 | 0.46 |
Leukocytes (G/L) (mean [95% CI]) | 9.9 [8.4; 11.4] | 7.6 [6.6; 8.6] | 8.3 [6.8; 9.7] | 6.7 [5.2; 8.3] | 0.01 | 0.5 | 0.1 |
PMN (G/L) (mean [95% CI]) | 7.5 [6.0; 9.0] | 5.6 [4.6; 6.6] | 6.3 [4.9; 7.7] | 4.6 [3.2; 6.0] | 0.04 | 0.1 | 0.07 |
ESR < 30 at 1 h n (%) | 0 (0) | 5 (23) | 2(15) | 3(33) | 0.01 | 0.1 | 0.3 |
CRP > 10 mg/L n (%) | 30 (100) | 20 (77) | 12(80) | 8(73) | 0.005 | 0.02 | 0.6 |
Antibiotic therapy duration (d) (median [95% CI]) | 91.5 [84.4; 98.7] | 82.6 [74.5; 90.6] | 75.6 [63.7; 87.5] | 93.0 [86.2; 99.8] | 0.1 | 0.05 | 0.09 |
Sensitivity to methicillin n (%) | 24(80) | 16 (61) | 10(67) | 6(55) | 0.1 | 0.2 | 0.7 |