Table 4 Mean values of CFU/m 3 air during seven operations in operating room 5 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
Type of surgery | Clothing | Number of persons present | CFU/m3 air mean (min-max) |
|---|---|---|---|
Hip | Mixed material, brand new | 7 | 46.5 (40–58) |
Knee | Mixed material, brand new | 8 | 49.0 (37–88) |
Knee | Mixed material, brand new | 6 | 28.6 (12–50) |
Knee replacement | Polyester HK-1069KS | Not noted | 7.3 (5–10)* |
Knee | Polyester HK-1069KS | 7 | 7.0 (1–13) |
Knee | Polyester 807TK-310 | 8 | 5.2 (2–8) |
Knee | Polyester 807TK-310 | 7 | 4.3 (2–9) |