Table 1.
Data set description.
| Data | Control group (d = 52) | Study group (d = 52) | X 2 | P | |
|---|---|---|---|---|---|
| Age (years) | <64 | 24 (45.17) | 25 (48.02) | 0.156 | 0.695 |
| >64 | 28 (54.83) | 27 (51.99) | |||
|
| |||||
| Gender | Male | 27 (53.75) | 26 (50) | 0.155 | 0.696 |
| Female | 25 (46.25) | 26 (50) | |||
|
| |||||
| Type | Type 1 | 31 (60.54) | 37 (44.67) | 1.076 | 0.298 |
| Type 2 | 21 (39.46) | 15 (57.59) | |||
|
| |||||
| Cause of disease | Critical asthma | 12 (22.15) | 10 (20.99) | 1.187 | 0.988 |
| Respiratory affliction syndrome | 7 (13.47) | 7 (13.47) | |||
| Lung cancer | 25 (45.41) | 23 (43.99) | |||
| Sleep apnoea syndrome | 8 (18.97) | 12 (21.55) | |||
|
| |||||
| Smoking history | Present | 24 (47.58) | 23 (43.52) | 0.068 | 0.815 |
| Absent | 28 (52.42) | 29 (56.48) | |||