Table 1. Patient characteristics and baseline of two groups.
| NGS (n = 42) | no-NGS (n = 53) | P-value | |
|---|---|---|---|
| Age (yr) | |||
| ≥ 60, n (%) | 21 (50.0) | 33 (62.3) | 0.231 |
| < 60, n (%) | 21 (50.0) | 20 (37.7) | |
| Gender | |||
| Male, n (%) | 31 (73.8) | 38 (71.7) | 0.819 |
| Female, n (%) | 11 (26.2) | 15 (28.3) | |
| Basis disease | |||
| Hypertension, n (%) | 13 (31.0) | 17 (32.1) | 0.907 |
| Coronary heart disease, n (%) | 3 (7.1) | 5 (9.4) | 0.690 |
| COPD, n (%) | 10 (23.8) | 17 (32.1) | 0.375 |
| Chronic nephrosis, n (%) | 7 (16.7) | 6 (11.3) | 0.452 |
| Diabetes, n (%) | 5 (11.9) | 9 (17.0) | 0.488 |
| Immunosuppression, n (%) | 8 (19.0) | 13 (24.5) | 0.523 |
| Tumor, n (%) | 10 (23.8) | 11 (20.8) | 0.722 |
| Smoking, n (%) | 20 (47.6) | 17 (32.1) | 0.123 |
| Drinking, n (%) | 4 (9.5) | 5 (9.4) | 0.988 |
Notes:
COPD, chronic obstructive pulmonary disease.
There were no any differences in age, sex ratio, basis disease between two groups (P > 0.05).
The chi-square test was utilized to calculate the difference between the two groups.
P < 0.05 was considered statistically significant.