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Table 1 Comparison of general conditions between the two groups

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

Groups N Age (years, x ± s) Gender The operation time (h, x ± s) Department distribution Number of instruments used during operation
M F 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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