Table 2 Multivariate logistic regression including all relevant covariates

Disinfection method UV-C light

1.825

1.19–2.79

< 0.01

Disinfection method Endoscope Washer Disinfector

Reference

Type of FE without a working channel

 Pediatric Naso-Pharyngo-Laryngoscopes

Reference

 Video Naso-Pharyngo-Laryngoscopes

1.02

0.18–5.73

0.98

 Fiber Naso-Pharyngo-Laryngoscopes

1.15

0.34–3.86

0.83

Participating hospital

 The Spaarne Hospital

Reference

 Medical Spectrum Twente

1.91

0.52–7.02

0.33

 Medical Center Leeuwarden

1.16

0.26–4.73

0.83