[Retracted] Prevention and Nursing Research of PICC Catheter-Related Complications in Patients with Digestive System Malignant Tumor Based on Smart Medical Block Chain

Table 5

Single factor analysis of catheter prolapse.

Influence factor	Variable	Number of respondents	Catheter prolapse group (cases/%)	Noncatheter prolapse group (cases/%)	X2 value	P Value
Catheter model	4F	379	32 (8.44)	347 (91.56)	0.359	0.654
	5F	78	5 (6.41)	73 (93.59)
Number of lumens	Single chamber	387	32 (8.27)	355 (91.73)	0.101	0.819
	Double cavity	70	5 (7.14)	65 (92.86)
Catheterization technology	Direct puncture	39	2 (5.13)	37 (94.87)	0.163	0.687
	seldinger	418	35 (8.37)	383 (91.63)
Puncture times	Once	382	31 (8.12)	351 (91.88)	0.001	1.000
	Greater than or equal to twice	75	6 (8)	69 (92)
Venipuncture	Basilic vein	399	31 (7.77)	368 (92.23)	1.464	0.555
	Median cubital	39	5 (12.85)	34 (87.18)
	Cephalic vein	19	1 (5.26)	18 (94.74)