Table 5. Correlation between BMAL1 expression and edema.

BMAL1 Expression	n	Edema		X2	P
		+	++/+++
+	59	5	54
−	20	11	9	20.02	<0.0001

Notes: +: mild edema (1 < EI≤ 1.5); ++: moderate edema (1.5 < EI≤ 3); +++: severe edema (EI > 3).