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Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Particle counts (0.5 μm) in the wound area and instrument area with and without the additional LAF screen; mean (standard deviation) values and significant differences are shown in bold

From: Mobile laminar air flow screen for additional operating room ventilation: reduction of intraoperative bacterial contamination during total knee arthroplasty

Particle count (0.5 μm/m3) of the:

With LAF

P value

Without LAF

Wound (0.5 μm/m3)

N = 6

 

N = 6

17,361 (22,634)

0.003

970,533 (576,286)

Instrument table (0.5 μm/m3)

N = 6

 

N = 6

1,224,367 (723,796)

ns (0.521)

1,380,181 (791,851)

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