Current Status and Factors Associated with Clean Operating Rooms: A Survey of Hospitals in China

Table 1

Univariate analysis of factors influencing compliance with the GB 50333 standards.

Influencing factors		Sample number	Noncompliance with the GB 50333 standards		χ^2
			Number, n	Rate, %
Type of OR	Clean OR	966	243	25.2	0.549	0.459
	Clean OR and general OR	342	93	27.2
Hospital level	Tertiary	677	164	24.2	1.752	0.416
	Secondary	594	163	27.4
	Lower than secondary	37	9	24.3
Number of beds	<500	453	111	24.5	2.574	0.276
	500–1,000	498	122	24.5
	>1,000	357	103	28.9
Number of ORs	<5	291	79	27.1	0.636	0.888
	5–9	432	106	24.6
	10–15	287	75	26.1
	>15	299	76	25.4
Usage time (year)	≤5	464	114	24.6	0.472	0.492
	>5	844	222	26.3
Maintenance mode	Professional	1,269	314	24.7	19.876	<0.0001
	Outsource or no	39	22	56.4
Test frequency	More than once a year	1,117	274	24.5	5.374	0.020
	Occasionally or no	191	62	32.5

Significance at .