Table 8.
Diagnostic performances of risk parameters for Covid-19 mortality.
| Independent variables | Cut off | Specificity (%) (95 % CI) |
Sensitivity (%) (95 % CI) |
AUC (%) (95 % CI) |
*p |
|---|---|---|---|---|---|
| CRP (mg/L) | > 62.6 | 87.0 (82.4–95.4) |
76.2 (62.4–78.0) |
73.4 (71.0–76.4) |
0.000 |
| D-Dimer (μg/L) | > 1262.26 | 72.2 (70.2–82.5) |
85.9 (75.8–89.7) |
71.6 (68.3–72.6) |
0.000 |
| Ferritin (μg/L) | > 392.05 | 67.6 (56.9–70.1) |
93.5 (88.2–95.5) |
68.0 (67.2–71.9) |
0.000 |
| Procalcitonin (μg/L) | > 0.14 | 66.7 (56.2–69.3) |
92.0 (90.0–95.4) |
66.3 (64.1–68.1) |
0.000 |
| ESR (mm/hr) | > 48.50 | 73.1 (71.2–77.0) |
91.9 (90.1–94.2) |
77.1 (75.6–80.1) |
0.000 |
| INR | > 1.19 | 76.9 (75.4–79.8) |
82.7 (80.8–87.7) |
72.4 (69.5–74.1) |
0.000 |
| PT (Sec) | > 13.95 | 75.9 (71.5–78.6) |
88.6 (86.7–90.5) |
76.3 (75.4–80.0) |
0.000 |
| WBC (109/L) | > 12.25 | 87.9 (85.5–90.3) |
66.8 (61.4–68.1) |
63.6 (59.0–66.2) |
0.000 |
| RDW (%) | > 15.05 | 90.9 (88.7–93.2) |
68.8 (65.6–71.2) |
71.5 (70.8–72.4) |
0.000 |
| NEU (109/L) | > 10.38 | 84.6 (82.3–86.9) |
64.2 (58.0–67.1) |
65.2 (63.8–68.6) |
0.000 |
| PLT (109/L) | < 148.50 | 89.3 (87.0–94.1) |
66.7 (57.4–68.7) |
60.8 (58.6–64.5) |
0.000 |
| RBC 1012/L | < 3.10 | 92.3 (90.5–93.2) |
63.4 (60.8–68.3) |
56.7 (55.0–61.2) |
0.000 |
CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; INR: international normalized ratio; PT: prothrombin time; WBC: White blood cell count; RDW: Red cell distribution width; NEU: Neutrophil count; PLT: Platelet count; RBC: Red blood cells; *p value < 0.05 was considered significant.