Table 3

Clinical features of children on PICU with pertussis (including linked cases) compared with children on PICU with other diagnoses; continuous variables

PICU: pertussis (n=25)PICU: other diagnoses (n=101)
MeanMedianMeanMedianMann-Whitney test
Duration of cough (days)15.28.511.04.00.003
Lymphocyte count (× 109/l)8.87.84.53.50.003
Duration of ventilation (days)4.63.54.83.00.4
Length of stay on PICU (days)5.74.58.24.00.8
Length of total hospital admission (days)15.613.015.210.00.2