[Retracted] Effect of the Kanghuier Transparent Hydrocolloid Dressing in Preventing Central Venous Catheter Infection and Phlebitis after Cardiac Surgery

Table 3

Comparison of the occurrence of phlebitis.

Group	0	1	2	3	4
A ()	87 (88.78)	9 (9.18)	2 (2.04)	0	0
B ()	77 (78.57)	8 (8.16)	12 (12.24)	1 (1.02)	0
	−2.122
	0.034