Table 1 Comparison of underlying diseases of each group of patients
Mild group | Moderate group | Total | p value | |
|---|---|---|---|---|
Number of patients | 305 | 89 | 394 | |
With underlying disease | 28 (9.18%) | 36 (40.44%) | 64 (16.24%) | 0.0000 |
Without underlying disease | 277 (90.8%) | 53 (59.55%) | 330 (83.76%) | 0.0000 |
Cardiovascular and cerebrovascular diseases | 14 (4.6%) | 14 (15.7%) | 28 (7.1%) | 0.0003 |
Digestive system diseases | 1 (0.3%) | 2 (2.2%) | 3 (0.8%) | 0.0668 |
Respiratory diseases | 3 (1.0%) | 5 (5.6%) | 8 (2.0%) | 0.0064 |
Gynecological diseases | 1 (0.3%) | 1 (1.1%) | 2 (0.5%) | 0.3527 |
Ophthalmic diseases | 2 (0.6%) | 1 (1.1%) | 3 (0.8%) | 0.6551 |
Allergic conditions | 0 (0) | 2 (2.2%) | 2 (0.5%) | 0.0087 |
Kidney diseases | 2 (0.6%) | 0 (0) | 2 (0.5%) | 0.4437 |
Rheumatoid arthritis and autoimmune diseases | 1 (0.3%) | 0 (0) | 1 (0.3%) | 0.5886 |
Tumor | 2 (0.6%) | 1 (1.1%) | 3 (0.8%) | 0.6551 |
Blood diseases | 1 (0.3%) | 3 (3.4%) | 4 (1.0%) | 0.0118 |
Endocrine system diseases | 0 (0) | 1 (1.1%) | 1 (0.3%) | 0.0638 |