Construction of exchange integrated information chain management model leading by information nurse for large instrument and equipment in operating room

Table 1 Comparison of general conditions between the two groups

Groups	N	Age (years, x ± s)	Gender		The operation time (h, x ± s)	Department distribution					Number of instruments used during operation
Groups	N	Age (years, x ± s)	M	F	The operation time (h, x ± s)	Neuro	Orthopedics	Cardiothoracic	General Sugery	Gynecology	1	2	3	> 3
Observation group	813	52.83 ± 10.15	356	457	4.33 ± 1.64	159	198	123	160	173	80	300	347	86
Control group	749	52.03 ± 9.11	350	399	4.28 ± 1.35	147	183	118	142	159	74	285	314	76
t/z/x²	–	1.63	1.36		0.66	0.21					0.26
p	–	0.10	0.43		0.68	0.67					0.64

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