TNF and hematoma: Levels of serum IL-12 was positively correlated with the admission of NIHSS scores (r = 0.535, P < 0.001), hematoma volume (r = 0.608, P < 0.001), serum CRP levels (r = 0.561, P < 0.001), and serum TNF-α levels (r = 0.533, P < 0.001) in 209 cases ICH patients.