Table 1.

Comparison of quality evaluation of nursing staff [$\overline{x}$ ± s].

Grouping	N	Instrument disassembly and assembly	Cleaning	Disinfection	Packing	Environment
Control group	13	95.23 ± 2.07	92.41 ± 1.65	94.26 ± 1.93	96.23 ± 2.53	96.84 ± 1.56
Research group	13	80.38 ± 2.16	81.07 ± 2.08	80.57 ± 2.35	82.66 ± 2.01	82.56 ± 2.34
t value		19.224	16.542	17.436	16.265	19.666
P value		<0.05	<0.05	<0.05	<0.05	<0.05