Table 1.
lymphocyte:monocyte (L:M) ratios in non-influenza A hospitalized adults with viral influenza-like illnesses (ILIs)
| CBC parameters | Duration of abnormalities | hMPV (4/37) | COR (2/37) | R/E (10/37) | RSV (16/37) | HPIV-3 (5/37) |
|---|---|---|---|---|---|---|
| Relative lymphopenia (number with) |
Admission Days 1–3 After day 3 |
3 3 0 |
2 1 0 |
8 9 5 |
13 16 11 |
4 3 4 |
| Monocytosis (number with) |
Admission Days 1–3 After day 3 |
1 1 1 |
0 0 0 |
1 4 1 |
3 5 3 |
2 3 2 |
| L:M ratio <2 (number with) |
Admission Days 1–3 After day 3 |
1 0 0 |
1 1 0 |
4 7 4 |
6 12 10 |
4 4 4 |
| L:M ratio on admission (mean) | 3 | NA | 3 | 2.2 | 1.4 |
hMPV human metapneumovirus, COR coronaviruses, R/E rhinoviruses/enteroviruses, RSV respiratory syncytial virus, HPIV-3 human parainfluenza virus type 3, L relative lymphopenia, M monocytosis, NA not applicable