Day-by-day comparison of mean sPLA₂ and CRP values in SCD patients with VOC or ACS. Mean serum sPLA₂ activity (AU) and immunoreactive CRP values (mg/L) are shown on a day-by-day basis for 139 serum specimens. Numeric data for each day of hospitalization are shown in Table 1, with mean and SEM sPLA₂ and CRP values for the indicated number (N) of serum specimens.