CSF3 and chronic rhinosinusitis with nasal polyps: By contrast, the level of G-CSF in the CRSwNP(II) groups (mean = 2079.2 pg/mL) was more than 9 or 10 times higher than in the control 1 (mean = 187.3 pg/mL) and control 2 (mean = 267.4 pg/mL) groups.