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in the NO plateaux seen before and after the set of exhalations done with the reservoir (p=0'2,
7 ,95Vo CI -10.9, 35.8, see Table 7.5). No difference was seen in the COz or duration between
the three sets of exhalations (see Table 7.6).
Figure 7.7: Recording from one subject showing NO results with exhalations from low and high
background NO
Ri3. to llo l.yal ttotl I low losarvoit llo Gonccntration
F.ll to IO l.v.l ftom I llgi ar|bi.nt XO Gooc.ntr.tlon
Figure 7.8: The effect of high and low pressure on the calibration gas measurement
Comparison of plateau exhaled NO levels following inhalation of high (ambient) labelled as 'pre' and
,post; or low (reservoir) labelled as 'reservoir' N-O concentrations. Each point is a mean of five
exhalations.
.o EL
o.
.g
o
g
o
z E-96sxul
Reservoir Post
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