Table 3.
Kaplan-Meier survival analysis and COX regression analysis of the adverse factors on the recovery and discharge of patient with COVID-19
| K-M survival analysis* | Univariate COX analysis* |
Multivariate COX analysis* |
|||
|---|---|---|---|---|---|
|
log-rank test P value |
HR (95% CI) |
P value |
HR (95% CI) |
P value |
|
| Age, years |
- |
0.949 (0.926-0.973) |
<0.001 |
0.963 (0.937-0.989) |
0.007 |
| ≥60 vs <60 |
<0.001 |
0.225 (0.099-0.511) |
<0.001 |
- |
- |
| Comorbidity present (yes vs no) |
0.001 |
0.274 (0.125-0.602) |
0.001 |
0.665 (0.189-2.345) |
0.526 |
| Hypertension (yes vs no) |
0.002 |
0.257 (0.103-0.641) |
0.004 |
0.312 (0.105-0.927) |
0.036 |
| Lymphocyte count, ×109/L |
- |
3.145 (1.764-5.608) |
<0.001 |
2.770 (1.256-6.110) |
0.012 |
| <0.8 vs ≥0.8 |
0.003 |
0.349 (0.169-0.724) |
0.005 |
- |
- |
| Neutrophil count, ×109/L |
- |
0.837 (0.733-0.955) |
0.008 |
1.112 (0.806-1.536) |
0.518 |
| >7.5 vs 2.5-7.5 |
0.139 |
0.472 (0.166-1.339) |
0.158 |
- |
- |
| Neutrophil lymphocyte ratio |
- |
0.906 (0.853-0.963) |
0.001 |
0.937 (0.870-1.010) |
0.091 |
| >10.0 vs ≤10.0 |
0.004 |
0.335 (0.151-0.747) |
0.007 |
- |
- |
| Albumin, g/L |
- |
1.157 (1.078-1.242) |
<0.001 |
1.046 (0.940-1.164) |
0.409 |
| <35.0 vs ≥35.0 |
0.003 |
0.261 (0.099-0.689) |
0.007 |
- |
- |
| C-reactive protein, mg/L |
- |
0.973 (0.954-0.993) |
0.008 |
0.993 (0.973-1.014) |
0.512 |
| >5 vs ≤5 | 0.007 | 0.377 (0.179-0.793) | 0.010 | - | - |
K-M survival analysis – Kaplan-Meier survival analysis, COX analysis – COX regression analysis
*Events: discharge or death; Time to Events: time from hospital admission to discharge or death.