Exercise Capacity in Unilateral Diaphragm Paralysis: The Effect of Obesity
Table 1
Demographic matching of UDP to non-UDP subjects.
Obese
Non-Obese
UDP (n=10)
No-UDP (n=20)
UDP (n=12)
No-UDP (n=26)
P-value
Age, years (mean +/- SD)
59 +/- 11
60 +/- 6.4
64 +/- 9
61 +/- 11
P = 0.31
Male Gender, n (%)
6 (60)
12 (60)
11 (92)
22 (92)
P = 0.14
Right-Sided (proportion)
5/10
-
7/12
-
NS
Duration UDP (mean yrs)
2.8 +/- 1.6
-
2.2 +/- 1.3
-
NS
BMI (mean +/- SD)
34.2 +/- 6.3
33.0 +/- 2.7
26.9 +/- 1.5
25.4 +/- 2.6
<.0001
Comorbidities, n (%)
Cardiovascular
3 (30)
6 (30)
6 (50)
14 (54)
P = 0.41
Pulmonary
3 (30)
6 (30)
6 (50)
14 (54)
P = 0.41
Neuromuscular
0 (0)
0 (0)
0 (0)
0 (0)
-
Joint/Pain syndrome
1 (10)
2 (10)
1 (8)
2 (8)
P = 1.0
Numerical values are reported as mean +/- standard deviation. UDP = unilateral diaphragm paralysis. For the difference between obese and nonobese groups, using Wilcoxon rank-sum test and Fisher’s exact test as described in the Methods.