TABLE 2.
Comparison of laboratory features among SARS, MERS, and COVID-19 patients
| Laboratory testa | % for disease (references) |
||
|---|---|---|---|
| SARS (27, 195, 196) | MERS (25, 91) | COVID-19 (6, 19, 26) | |
| WBC (<4.0 × 109/liter) | 25–35 | 14 | 25 |
| LYM (<1.5 × 109/liter) | 68–85 | 32 | 35 |
| PLT (<140 × 109/liter) | 40–45 | 36 | 12 |
| ALT (>50 U/liter) | 20–30 | 11 | 28 |
| AST (>40 U/liter) | 20–30 | 14 | 35 |
| LDH (>250 U/liter) | 50–71 | 48 | 76 |
a
Abbreviations: WBC, leukocytes; LYM, lymphocytes; PLT, platelets; ALT, alanine aminotransferase; AST, aspartate aminotransferase; LDH, lactate dehydrogenase.