Driving-Related Neuropsychological Performance in Stable COPD Patients
Table 1
Anthropometric characteristics and respiratory function data of normal subjects and COPD patients.
Parameters
Normal subjects ()
COPD patients ()
value
Age, (yrs)
55 (5)
59 (7)
NS
Gender, M/F
8/2
26/9
NS
Ht, (m)
1.7 (0.05)
1.7 (0.07)
NS
Wt, (kg)
78 (8)
77 (14)
NS
Wt, (% pred)
109 (10)
106 (15)
NS
BMI
27.4 (2.7)
26.5 (3.7)
NS
FVC, (% pred)
105 (12)
86 (20)
FEV1, (% pred)
100 (11)
45 (22)
FEV1/FVC, %
77 (4)
40 (14)
IC, (% pred)
103 (18)
81 (17)
TLC, (% pred)
93 (8)
100 (15)
NS
FRC, (% pred)
89 (12)
120 (0.0)
RV, (% pred)
74 (14)
123 (42)
DLCO, (% pred)
103 (12)
60 (22)
PaO2 (mm Hg)
77 (12)
PaCO2 (mm Hg)
41 (6)
SpO2 %
98 (97–99)
95 (94–96)
IQ (% ile)
90 (75–95)
80 (63–95)
NS
Values are mean (SD) or median (range). Abbreviations: Ht: height; Wt: weight; BMI: body mass index; SpO2 %: arterial oxygen saturation measured with pulse arterial oximeter; IQ: intelligent quotient; , statistically significant; NS: nonsignificant.