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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
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