Biomedical Engineering Reference
In-Depth Information
Fig. 9.26 Boxplot for the
non-linear distortions within
COPD group for various
groups classified according to
GOLD; from left to right:
GOLD II, GOLD III and
GOLD IV; there is a
significant difference between
groups ( p 0 . 01)
Ta b l e 9 . 4 Confidence
intervals for the calculated
non-linear distortions index T
in the measured groups. Std
denotes standard deviation
Group
Min
Max
Mean
Std
Healthy Group #1
0.9127
0.9231
0.9179
0.0333
Healthy Group #2
0.9260
0.9472
0.9366
0.0277
Healthy Group #3
0.8885
0.9200
0.9043
0.0336
Healthy Group #4
0.8707
0.9147
0.8927
0.0177
Diagnosed Asthma
0.7518
0.8900
0.8209
0.0899
Diagnosed COPD
0.8728
0.9301
0.9014
0.0496
Ta b l e 9 . 5
Confidence intervals for the identified FO model parameters in the measured groups
Group
L r
D = 1 /C r
α r
β r
Healthy Group #1
0.2314-0.3132
5.1519-5.6028
0.1610-0.2314
0.6401-0.6945
Healthy Group #2
0.0311-0.1189
4.7797-6.2203
0.0558-0.2442
0.6150-0.7250
Healthy Group #3
0.0410-0.2490
5.3760-8.1240
0.2069-0.5831
0.4966-0.6334
Healthy Group #4
0.1986-0.5886
4.1782-5.7865
0.0690-1.0690
0.2717-0.6483
Diagnosed Asthma
0.0129-0.2562
12.0768-27.9232
0.3640-1.0137
0.4506-0.7716
Diagnosed COPD
0.0123-0.0834
11.5293-31.3279
0.2804-0.8196
0.4273-0.7013
Ta b l e 9 . 6
Confidence intervals for the derived parameters in the measured groups
Group
G r
H r
η r
Healthy Group #1
0.5700-0.7118
0.8747-0.9512
0.5748-0.6953
Healthy Group #2
0.4526-0.6904
0.8436-1.0384
0.4805-0.7040
Healthy Group #3
0.8384-1.3536
1.0561-1.4818
0.6885-1.0960
Healthy Group #4
0.5470-2.1637
0.8991-1.2089
0.5791-1.9109
Diagnosed Asthma
1.3880-4.8148
2.2091-5.1828
0.4083-1.1916
Diagnosed COPD
1.7624-3.5918
2.1089-4.8446
0.6073-1.4115
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