Value		Local infection					Contact dermatitis					Mechanical damage
		B	P	The OR Value	95% CI		B	P	The OR Value	95% CI		B	P	The OR Value	95% CI
					The lower limit	Ceiling				The lower limit	Ceiling				The lower limit	Ceiling
The tube time	1 - 49	−13.24	0.996	0.00	0.00	.b	−15.43	0.995	0.00	0.00	.b	−70.70	0.998	0.00	0	.b
	50 - 99	−8.48	0.997	0.00	0.00	.b	−11.40	0.997	0.00	0.00	.b	−83.77	0.998	0.00	0	.b
	100 - 149	−11.35	0.997	0.00	0.00	.b	−14.26	0.996	0.00	0.00	.b	−54.57	0.999	0.00	0	.b
	150 - 199	4.23	0.017	68.66	2.15	2189.10	1.05	.	2.87	2.87	2.87	−40.53	0.999	0.00	0	.b
	>200	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Age	18 - 39	−3.77	0.022	0.02	0.00	0.59	−2.49	0.154	0.08	0.00	2.55	−6.3	0.999	0.00	0	.b
	40 - 59	−4.95	0.002	0.01	0.00	0.17	−2.87	0.094	0.06	0.00	1.62	27.19	0.996	610^12	0	.b
	60 - 69	−3.28	0.034	0.04	0.00	0.77	−1.23	0.448	0.29	0.01	7.00	−2.41	1.00	0.09	0	.b
	70 - 79	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Basic diseases	No	1.41	0.368	4.09	0.19	87.23	2.08	0.237	7.99	0.26	249.50	−26.12	0.998	0.00	0	.b
	Liver and kidney disease	2.72	0.152	15.10	0.37	622.62	2.56	0.224	12.95	0.21	803.94	−23.54	0.999	0.00	0	.b
	Hypertension	19.93	0.995	4 × 10*⁹	0.00	.b	18.37	0.996	9 × 10*⁹	0.00	.b	−41.45	0.998	0.00	0	.b
	Anemia	−0.25	0.891	0.78	0.02	25.87	1.48	0.445	4.41	0.10	198.30	−12.73	0.999	0.00	0	.b
	Diabetes	4.04	0.028	57.03	1.53	2120.89	3.95	0.052	51.72	0.96	2788.52	−8.94	1.00	0.00	0	.b
	Heart disease	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Maintain hospital grade	Level 2	0.27	0.702	1.31	0.33	5.17	−0.92	0.184	0.40	0.10	1.55	−31.60	0.988	<0.000	0	.b
Maintain hospital grade	Level 3	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Whether the skin is moist and sweaty	Yes	1.88	0.006	6.58	1.72	25.21	1.95	0.004	7.03	1.88	26.30	−30.40	0.986	<0.000	0	.b
Whether the skin is moist and sweaty	No	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Whether to maintain according to regulations	Yes	−1.93	0.371	0.15	0.00	9.94	16.15	.	10*8	10*8	10*8	−15.86	0.998	<0.000	0	.b
Whether to maintain according to regulations	No	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.
Whether in the chemotherapy intermission period	Yes	1.92	0.009	6.80	1.63	28.41	1.55	0.031	4.73	1.16	19.37	16.41	0.993	10*8	0	.b
Whether in the chemotherapy intermission period	No	0c	.	.	.	.	0c	.	.	.	.	0c	.	.	.	.