17 March 2024>: Lab/In Vitro Research
Analysis of Wet Pack Incidence in Steam Sterilization: A Study in a Chinese Medical Center
Yanhua Chen 12BEF* , Li Bao 3BC* , Liangying Yi 12AG* , Ruixue Hu 12CDDOI: 10.12659/MSM.942601
Med Sci Monit 2024; 30:e942601
Table 3 Multivariate logistic regression analysis of factors associated with wet pack occurrence.
Variable | Description | Beta value | Standard error | Wald χ2 | P value | Odds ratio | 95% confidence interval |
---|---|---|---|---|---|---|---|
Weather | Sunny | 15.769 | |||||
Overcast | 0.630 | 0.213 | 8.724 | 0.003 | 1.878 | 1.236–2.853 | |
Rainy | 0.889 | 0.253 | 12.366 | 2.432 | 1.482–3.992 | ||
Item in the sterilized pack | Dressing | 1.193 | 0.260 | 21.074 | 3.297 | 1.981–5.486 | |
Instrument | |||||||
Packaging material | Cotton fabrics | 20.224 | |||||
Non-woven fabrics | 1.337 | 0.310 | 18.601 | 3.808 | 2.074–6.991 | ||
Paper-plastic combinations | −0.032 | 0.213 | 0.023 | 0.880 | 0.968 | 0.638–1.470 | |
Whether the pack had been laid flat, leaning at an acute angle, or upright | Flat | 0.413 | 0.813 | ||||
Acute angle | 0.040 | 0.245 | 0.027 | 0.870 | 1.041 | 0.644–1.682 | |
Upright | −0.100 | 0.249 | 0.161 | 0.689 | 0.905 | 0.556–1.474 | |
Placement of the pack on the top or bottom shelf inside the sterilizer chamber | Top shelf | 0.595 | 0.217 | 7.500 | 0.006 | 1.813 | 1.184–2.775 |
Bottom shelf | |||||||
Whether the item had been packaged in compliance with guidelines? | Yes | 1.040 | 0.200 | 27.028 | < 0.001 | 2.830 | 1.912–4.188 |
No | |||||||
Cooling time after sterilization | ≥30 min | 0.792 | 0.204 | 15.145 | 2.209 | 1.482–3.292 | |