Clinical research on navel application of Shehuang Paste combined with Chinese herbal colon dialysis in treatment of refractory cirrhotic ascites complicated with azotemia

Table 2 Changes of azotemia (mean ± SD)

Treatment groups	n	Cr (μmol/L)		BUN (mmol/L)
Comprehensive	29	Before	162.96 ± 11.73	10.54 ± 1.23
		After	113.82 ± 9.62bd	6.48 ± 0.61ad
Simple	24	Before	158.32 ± 17.21	10.41 ± 1.43
		After	123.54 ± 23.13ac	7.92 ± 0.87b
Controls	22	Before	161.51 ± 11.55	9.09 ± 1.18
		After	143.41 ± 9.87	8.28 ± 0.38

^aP < 0.05,

^bP < 0.01, pre-treatment vs post-treatment;

^cP < 0.05,

^dP < 0.01 vs control group.