Table 3.
Laboratory results and imaging findings in patients with COVID-19
| Total | Under 65 | Over 65 | t or χ2 or U | P value | |
|---|---|---|---|---|---|
| Variable | n = 91 | n = 64 | n = 27 | ||
| WBC, × 109/L | 4.13 (3.48–5.64) | 4.03 (3.44–4.93) | 5.86 (3.61–6.84) | − 3.19 | 0.003* |
| Lymphocyte count, 109/L | 0.98 (0.74–1.38) | 1.07 (0.74–1.395) | 0.81 (0.53–1.04) | − 2.055 | 0.04* |
| Neutrophil count, × 109/L | 2.79 (1.85–4.05) | 2.40 (1.79–3.21) | 4.11 (2.34–5.67) | − 3.688 | 0.001* |
| PLT (× 109/L) | 190.0 (152.0–230.0) | 186.5 (149.50–226.25) | 193.0 (158.0–233.0) | − 0.413 | 0.68 |
| ALT (U/L) | 30.0 (21.0–51.0) | 31.00 (23.00–50.00) | 27.00 (20.00–52.00) | − 0.582 | 0.56 |
| AST (U/L) | 32.0 (22.0–48.0) | 30.00 (22.00–42.00) | 37.00 (27.00–54.00) | − 3.558 | < 0.001* |
| TBIL (μmol/L) | 9.2 (6.9–12.9) | 8.90 (6.68–12.35) | 11.30 (7.00–14.90) | − 1.46 | 0.14 |
| DBIL (μmol/L) | 1.90 (1.30–2.70) | 1.90 (1.30–2.50) | 2.20 (1.40–3.20) | − 1.217 | 0.23 |
| ALB (g/L) | 35.11 ± 5.55 | 36.46 ± 4.30 | 31.89 ± 6.83 | 3.858 | < 0.001* |
| Crea (umol/L) | 64.0 (55.0–78.0) | 64.0 (55.0–75.0) | 67.0 (56.0–91.0) | − 1.23 | 0.22 |
| CK (U/L) | 76.00 (46.0–128.00) | 66.50 (46.00–115.75) | 99.00 (45.00–225.42} | − 1.482 | 0.14 |
| CK-MB (ng/mL) | 0.31 (0.16–0.90) | 0.26 (0.09–0.4485) | 0.83 (0.38–1.91) | − 4.05 | 0.001* |
| MYO (ng/ mL) | 47.0 (31.0–77.00) | 35.50 (28.75–60.0) | 78.00 (47.00–182.00) | − 3.924 | < 0.001* |
| TNI (ng/ mL) | 0.01 (0.01–0.02) | 0.01 (0.01–0.02) | 0.021 (0.01–0.069) | − 3.253 | 0.001* |
| CRP (mg/L) | 18.85 (5.40–51.88) | 14.10 (3.20–26.90) | 44.80 (13.50–104.90) | − 2.928 | 0.003* |
| PCT (ng/ mL) | 0.11 (0.10–0.15) | 0.11 (0.10–0.13) | 0.14 (0.11–0.22) | − 3.074 | 0.002* |
| LAC (mmol/L) | 1.27 (0.93–1.74) | 1.24 (0.92–1.46) | 1.69 (0.94–1.99) | − 1.869 | 0.062 |
| PT (s) | 12.60 (11.90–13.20) | 12.50 (11.90–13.08) | 12.80 (12.20–13.7) | − 1.487 | 0.14 |
| PTA (%) | 75.45 ± 10.03 | 76.15 ± 8.69 | 73.81 ± 12.70 | 1.103 | 0.31 |
| INR (INR) | 1.13 (1.07–1.17) | 1.11 (1.06–1.17) | 1.14 (1.10–1.22) | − 1.61 | 0.11 |
| FIB (g/L) | 3.15 (2.71–4.24) | 3.08 (2.61–3.89) | 3.94 (2.81–4.51) | − 1.582 | 0.11 |
| Imaging findings | |||||
| Bilateral patchy shadows or ground glass opacity no. (%) | 82 | 55 | 27 | 2.783 | 0.10 |
Data were shown as mean ± standard deviation, median (Q1, Q3), or n (%). P values indicate differences between the elderly group and the young/middle-aged group
WBC White blood cell count, PLT Platelet, ALT Alanine transaminase, AST Aspartate transaminase, TBIL Total bilirubin, DBIL Direct bilirubin, ALB Albumin, Crea Creatinine, CK Creatine kinase, CK MB Creatine kinase-MB, MYO Myoglobin, TNI Troponin I, CRP C-reactive protein, PCT Procalcitonin, LAC Lactic acid, PT Prothrombin time, INR International normalized ratio, FIB Fibrinogen
*P < 0.05 was considered statistically significant