| |
Elderly(n=50) |
Young(n=50) |
P value |
| Sex |
| Males |
26 |
34 |
NS |
| Females |
24 |
16 |
NS |
| Background |
| Rural |
24 |
31 |
NS |
| Urban |
26 |
19 |
NS |
| Marital status |
| Married |
32 |
38 |
NS |
| Unmarried |
0 |
11 |
|
| Spouse dead |
18 |
1 |
0.0001 |
| Symptoms |
| Daily cough |
19 |
7 |
0.006 |
| Wheezing |
18 |
5 |
0.002 |
| History of atopy |
29 |
42 |
0.004 |
| Age at onset |
| <40years |
8 |
50 |
0.0001 |
| >40years |
42 |
0 |
0.0001 |
|
