Table 1 Socio-demographic and comorbidities of the studied groups (N=40)
Studied variables | Group I (cases) (N=20) | Group II (controls) (N=20) | Test of significance | P value |
|---|---|---|---|---|
Age/years | ||||
Mean±SD | 60.7±5.99 | 60.3±6.44 | ||
Median | 60.0 | 61.5 | t test | 0.840 |
Range | 45.0–72.0 | 48.0–70.0 | 0.203 | |
Sex | ||||
Male | 19 (95.0) | 18 (90.0) | FE | 1.00 |
Female | 1 (5.00) | 2 (10.0) | 0.360 | |
Smoking | ||||
Yes | 19 (95.0) | 18 (90.0) | FE | 1.00 |
No | 1 (5.00) | 2 (10.0) | 0.360 | |
DM | ||||
Yes | 6 (30.0) | 3 (15.0) | FE | 0.451 |
No | 14 (70.0) | 17 (85.0) | 1.29 | |
Hypertension | ||||
Yes | 6 (30.0) | 5 (25.0) | X2 | 0.723 |
No | 14 (70.0) | 15 (75.0) | 0.125 | |
mMRC dyspnea scale | ||||
Scale 2 | 2 (10.0) | 3 (15.0) | X2 | 0.890 |
Scale 3 | 16 (80.0) | 15 (75.0) | 0.232 | |
Scale 4 | 2 (10.0) | 2 (10.0) | ||
GOLD staging | ||||
Stage II | 8 (4.0) | 6 (30.0) | X2 | 0.603 |
Stage III | 10 (50.0) | 13 (65.0) | 1.010 | |
Stage IV | 2 (10.0) | 1 (5.00) | ||