Table 1 Overview of the demographic, serologic and imaging parameters of the patient sample
From: CT Texture analysis and CT scores for characterization of fluid collections
Parameter | Non-infected fluid collections (n = 147) | Infected fluid collections (n = 255) | p value |
|---|---|---|---|
Age, years | 62 ± 15 (21–94) | 62 ± 14 (20–90) | 0.9 |
Sex, male/female | 70/37 | 136/77 | 0.4 |
Diabetes | 26 (21.5%) | 63 (29.6%) | 0.07 |
Immunosuppressive drugs | 16 (13.2%) | 31 (14.6%) | 0.4 |
Antibiotics | 92 (76%) | 172 (80.8%) | 0.2 |
C-reactive protein, mg/L | 152 ± 101 (1–444) | 177 ± 102 (1–435) | 0.02 |
Leukocytes, 109/L | 13.4 ± 6.9 (0.7–38.5) | 15.3 ± 8 (2.3–81.2) | 0.009 |
Procalcitonin, ng/ml | 3.2 ± 8.1 (0.1–41.4) | 6 ± 15.6 (0.1–108.5) | 0.02 |
Interleukin-6, pg/ml | 431 ± 701 (38–1850) | 3061 ± 6953 (38–28,687) | 0.4 |
Attenuation, HU | 13 ± 11 (0–52) | 18 ± 8 (0–58) |  < 0.001 |
Maximum diameter, cm | 8.5 ± 3.9 (2.2–25.5) | 7.8 ± 3.4 (2.1–20) | 0.07 |
Wall enhancement | 59 (40.1%) | 153 (60%) |  < 0.001 |
Fat stranding | 57 (38.8%) | 161 (63.1%) |  < 0.001 |
Entrapped gas | 30 (20.4%) | 148 (58%) |  < 0.001 |