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

Table 4 Pre- and post-treatment serum Na⁺ and urine Na⁺/K⁺ changes (mean ± SD)

Groups	n	Serum Na+		Urine Na+/K+
Comprehensive	29	Before	126.32 ± 5.13	0.86 ± 0.23
		After	133.19 ± 3.21b	1.76 ± 0.65b
Simple	24	Before	127.27 ± 4.13	0.79 ± 0.26
		After	132.43 ± 3.34a	1.65 ± 0.85a
Controls	22	Before	126.16 ± 5.24	0.82 ± 0.32
		After	128.50 ± 7.29	1.25 ± 0.91

^aP < 0.05, pre- and post-treatment comparison;

^bP < 0.01, pre- and post-treatment comparison.