Table 1.
Clinical data and laboratory results of study groups, mean (SD)
| Parameters | Control group (N = 40) | CAP group (N = 82) | t/χ 2 | P-value |
|---|---|---|---|---|
| Gender: male (female) | 25 (15) | 47 (35) | 0.299 | 0.585 |
| Age: year, mean (SD) | 75.93 (8.69) | 78.00 (9.29) | 1.183 | 0.239 |
| WBC (109 L−1) | 6.51 (1.69) | 8.83 (4.69) | 3.988 | <0.001 |
| N (109 L−1) | 3.71 (1.32) | 6.99 (4.67) | 5.891 | <0.001 |
| L (109 L−1) | 2.24 (0.73) | 1.17 (0.64) | −8.272 | <0.001 |
| NLR | 1.77 (0.73) | 8.64 (8.19) | 7.539 | <0.001 |
| PLT (109 L−1) | 247.00 (48.67) | 189.02 (75.68) | −5.103 | <0.001 |
| PLR | 120.16 (43.49) | 204.01 (129.36) | 5.289 | <0.001 |
| D–D (mg L−1) | 0.13 (0.11) | 8.96 (15.47) | 5.168 | <0.001 |
| ALB (g L−1) | 47.36 (2.88) | 34.68 (5.65) | −16.404 | <0.001 |
| hs-CRP (mg L−1) | 1.80 (3.93) | 31.92 (21.37) | 12.347 | <0.001 |
| CAR (mg g−1) | 0.04 (0.09) | 1.01 (0.75) | 11.598 | <0.001 |
| FIB (mg L−1) | 2892.75 (891.77) | 4064.27 (1497.18) | 5.391 | <0.001 |
| FAR (mg g−1) | 61.47 (21.06) | 123.89 (60.19) | 8.397 | <0.001 |
WBC: leukocytes; N: neutrophils; L: lymphocytes; NLR: neutrophil to lymphocyte ratio; PLT: platelets; PLR: platelet to lymphocyte ratio; D–D: D–dimer; ALB: albumin; hs-CRP: hypersensitive C-reactive protein; CAR: hypersensitive C-reactive protein to albumin ratio; FIB: fibrinogen; FAR: fibrinogen to albumin ratio.