Table 6

Definitions of High and Low Pressure

Type

Amount

No. (%)


Define high pressure in pounds/square inch (psi)

0–20 psi

26 (3.2%)

21–40 psi

297 (36.5%)

41–60 psi

312 (38.4 %)

61–70 psi

135 (16.6%)

>70 psi

43 (5.3%)

Define low pressure in pounds/square inch (psi)

0–20 psi

609 (73.1%)

21–40 psi

200 (24.0%)

41–60 psi

13 (1.6%)

61–70 psi

11 (1.3%)

>70 psi

0


Petrisor et al. BMC Musculoskeletal Disorders 2008 9:7   doi:10.1186/1471-2474-9-7

Open Data