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Table 3 Mean values of CFU/m 3 air during seven operations in operating room 3 when all persons present were dressed in surgical clothing systems of either mixed material (69% cotton, 30% polyester, 1% carbon fibre) or polyester (99% polyester, 1% carbon fibre) of two kinds

From: Comparison of three distinct surgical clothing systems for protection from air-borne bacteria: A prospective observational study

Type of surgery Clothing Number of persons present CFU/m3 air mean (min-max)
Back, infected Mixed material, washed 7 9.8 (1–20)
Ankle Mixed material, washed 7 34.7 (20–49)
Shoulder, clavicle Mixed material, washed 7 22.2 (14–37)
Ankle Polyester HK-1069KS 8 12.7 (7–16)
Hip replacement Polyester HK-1069KS 6 27.2 (10–40)
Hip replacement Polyester 807TK-310 7 3.2 (1–6)
Ankle fracture Polyester 807TK-310 7 5.3 (2–12)