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Table 3 Evaluation of CSSD professionals’ theoretical knowledge, and practical skills, and error rate during work

From: Application of a sub-specialties management model improves quality control in a central sterile supply department

 

Control

Observation

Test value

P-value

Theoretical knowledge

87.3 ± 5.5

93.7 ± 5.0

t = 3.40

0.002

Practical skill

86.4 ± 4.7

91.6 ± 5.1

t = 2.88

0.009

Error rate

0.92% (409/44652)

0.52% (263/50445)

χ2 = 52.57

0.000

Device damage

0.61% (132/21780)

0.40% (89/22044)

χ2 = 8.94

0.003