CRP and Sepsis: Compared to ICU controls, community-acquired severe sepsis patients had higher levels of PCT (p = 0.008), hs-CRP (p = 0.020), lower Th1 population (p = 0.004) and higher T helper 2 cells (p < 0.001) along with higher Th2/Th1 (p < 0.001) at admission (Table 1 and Fig. 1).