Group | Anxiety Scale | P value* (χ2) | ||||
---|---|---|---|---|---|---|
Minimal anxiety | Mild anxiety | Moderate anxiety | Severe anxiety | Total | ||
COPD | 4 (4.3%) | 13 (14.0%) | 39 (41.9%) | 37 (39.8%) | 93 (100%) | <0.001 |
Control | 59 (56.2%) | 32 (30.5%) | 11 (10.5%) | 3 (2.9%) | 105 (100%) | |
Total | 63 (31.8%) | 45 (22.7%) | 50 (25.3%) | 40 (20.2%) | 198 (100%) |