Table 2.
Initial laboratory test results of adult patients hospitalized with laboratory-confirmed COVID-19 pneumonia.
| Parameter Median (IQR) | All patients, (n = 722) | Non-elderly patients (n = 487) | Elderly patients (n = 235) | P-valuea |
|---|---|---|---|---|
| Leucocytes, × 103/μL (normal range 4.1–11) | 6.2 (4.9–8.1) | 5.9 (4.8–7.7) | 6.6 (5.2–8.5) | 0.001 |
| Leucocytes <4.1 | 88 (12.2) | 67 (13.8) | 21 (8.9) | 0.06 |
| Neutrophils, × 103/μL (normal range 2–8) | 4.3 (3.1–5.9) | 4.1 (2.9–5.6) | 4.5 (3.4–6.5) | <0.001 |
| Lymphocytes, × 103/μL (normal range 1–5) | 1.3 (9.5–1.7) | 1.3 (9.6–1.8) | 1.2 (8.8–1.7) | 0.053 |
| Lymphocytes <1 | 211 (29.7) | 136 (28.3) | 75 (32.5) | 0.29 |
| Haemoglobin, g/dL (normal range 11.5–15) | 13.4 (12.5–14.4) | 13.6 (12.7–14.5) | 13 (12–14.2) | <0.001 |
| Platelets, × 103/μL (normal range 150–400) | 195 (159–241) | 193 (158–239) | 199 (162–245) | 0.47 |
| Aspartate aminotransferase, U/L (normal range 0–35) | 29 (23–41) | 29 (23–41) | 30 (22–42) | 0.76 |
| Alanine aminotransferase, U/L (normal range 0–35) | 23 (17–35) | 25 (18–38) | 20 (14–29) | <0.001 |
| Urea, mg/dL (normal range 17–43) | 32 (24–44) | 28 (22–37) | 41 (32–58.5) | <0.001 |
| Serum creatinine, mg/dL (normal range 0.51–0.95) | 0.84 (0.67–1.05) | 0.82 (0.65–0.98) | 0.92 (0.75–1.33) | <0.001 |
| Activated partial thromboplastin time, sn (normal range 16.9–31.9) | 25.4 (24–27.1) | 25.3 (24–27) | 25.5 (23.9–27.4) | 0.49 |
| Prothrombin time, sec (normal range 9.4–14.2) | 12.8 (12.1–13.8) | 12.8 (12.1–13.7) | 13 (12.1–14.2) | 0.03 |
| C-reactive protein, mg/L (normal range 0–5) | 37.5 (13–90.7) | 33 (12–85) | 48 (18–103) | 0.02 |
| C-reactive protein >40 | 330 (48.8) | 212 (45.8) | 118 (55.4) | 0.02 |
| Lactate dehydrogenase, U/L (normal range 0–247) | 271 (217–351) | 277 (216–350) | 261 (217–353) | 0.77 |
| Ferritin, ng/mL (male: 20–250 female: 10–120) | 171 (85–375) | 174 (80–378) | 170 (90–393) | 0.54 |
| Procalcitonin, ng/mL | 0.16 (0.12–0.24) | 0.15 (0.12–0.22) | 0.18 (0.12–0.34) | 0.009 |
| Procalcitonin >0.5 | 49 (13.4) | 25 (10.6) | 24 (18.5) | 0.03 |
| High sensitivity troponin I, ng/L (<11.6) | 4.1 (2.4–9.1) | 3.4 (2–5.5) | 7.8 (4.4–17.7) | <0.001 |
| CK-MB, ng/mL (normal range 0.6–6.3) | 1 (0.7–1.9) | 0.9 (0.6–1.5) | 1.5 (0.9–2.8) | <0.001 |
| Fibrinogen, mg/dL (normal range 200–400) | 355 (313–401) | 353 (316–405) | 361 (309–401) | 0.97 |
Abbreviations: NA, not applicable; IQR, interquartile range.
Those with significant p values are indicated in bold (P values < 0.05 indicated that the difference was statistically significant).
a
P values indicate differences between elderly and non-elderly patients.