Table 3.
Haematologic laboratory values for children admitted with pH1N1 and seasonal influenza
| Laboratory value | pH1N1 influenza, n (%) | Seasonal influenza, n (%) |
| White blood cells ≥11.0×109/l | 50 (29) | 60 (31) |
| White blood cells <4.0×109/l | 33 (19) | 34 (17) |
| Absolute neutrophils >6.6×109/l | 59 (35) | 60 (31) |
| Absolute neutrophils <1.5×109/l | 30 (18) | 36 (19) |
| Absolute lymphocytes <1.8×109/l | 112 (66) | 102 (53) |
For pH1N1 influenza, 174 children had complete blood count and 170 had differential performed. For seasonal influenza, 196 children had complete blood count and 193 had differential performed.
pH1N1, pandemic H1N1.