Table 1 Average and median VOC values for PNP distances of 20 and 36 cm.

From: A portable negative pressure unit reduces bone cement fumes in a simulated operating room

Distance (cm)

Average (ppm)

Median (ppm)

Range (ppm)

20

0.6 (0.1)

0.6 (0.5, 0.6)

0.4–0.7

36

5 (4)

3 (3, 6)

1.1–10.6

Control (No PNP)

19 (9)

19 (15, 21)

8.4–32.9

  1. Averages and standard deviations are written as average (standard deviation). Medians and interquartile ranges are written as median (Q1, Q3).
Back to article page