Prognosis factor | Author’s | Number of patients | p value | Associated with a worse prognosis? |
Older age | Wang L et al. [1] Liu W et al. [6] Zhou F et al. [7] Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] Li K et al. [41] | 339/339 patients (100%) 15/78 patients (≥60 years) (19.2%) NA (total of 191 patients), MA 56 years NA (total of 53.000 patients), median age 49.8 98/140 patients (≥50 years) (70%) NA (total of 201 patients) NA (total of 83 patients), median age 45.5 | <0.001 0.011 0.0043 <0.001 <0.001 <0.001 <0.001 | Yes Yes Yes Yes Yes Yes Yes |
Sex | Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] | 29.150/53.000 patients (M) (55%) 44/140 patients (F) (31.4%) 128/201 patients (63.7%) | <0.001 0.219 >0.005 | Yes No No |
CVD | Wang L et al. [1] Zhou F et al. [7] Li K et al. [41] Zhao X et al. [10] Zhang JJ et al. [25] | 53/ 339 patients (15.6%) 15/191 patients (7.9%) 1/83 patients (1.2%) 1431/53.000 patients (2.7%) 7/140 patients (5.0%) | <0.001 0.48 <0.001 0.002 0.448 | Yes No Yes Yes No |
Hypertension | Wang L et al. [1] Li K et al. [41] Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] | 138/ 339 patients (40.7%) 5/83 patients (6.0%) 10.070/53.000 patients (19.0%) 42/140 patients (30.0%) 23/84 patients (27.4%) | 0.031 <0.001 <0.001 0.085 0.001 | Yes Yes Yes No Yes |
DM | Li K et al. [41] Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] | 7/83 patients (8.4%) 4346/53.000 patients (8.2%) 17/140 patients (5.0%) 16/84 patients (19.0%) | <0.001 <0.001 0.615 0.002 | Yes Yes No Yes |
Smoking | Liu W et al. [6] Zhao X et al. [10] Zhang JJ et al. [25] | 5/78 patients (6.4%) NA (total 53.000 patients) 9/140 patients (6.4%) | 0.011 0.663 0.448 | Yes No Yes |
Malignancy | Wang L et al. [1] Zhao X et al. [10] | 15/339 patients (4.4%) NA (total 53.000 patients) | 0.12 0.309 | No No |
COPD | Wang L et al. [10] Li K et al. [41] Zhao X et al. [10] Zhang JJ et al. [25] | 21/339 patients (6.2%) 5/83 patients (6.0%) NA (total 53.000 patients) 2/140 patients (1.4%) | <0.001 <0.001 0.004 0.170 | Yes Yes Yes No |
Eosinopenia | Zhang JJ et al. [25] | 73/138 patients (52.9%) | 0.165 | No |
Lymphocyte count decreased | Wang L et al. [1] Li K et al. [41] Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] Du R-H et al. [51] | NA (total of 339 patients) 44/83 patients (53.0%) 28.991/53.000 patients (54.7%) 104/138 patients (75.4%) NA (total of 201 patients) NA (total of 179 patients) | <0.001 <0.001 <0.001 0.160 <0.001 <0.001 | Yes Yes Yes No Yes Yes |
D-dimers | Wang L et al. [1] Zhou F et al. [7] Zhao X et al. [10] Zhang JJ et al. [25] Wu C et al. [35] | NA (total of 339 patients) NA (total of 191 patients) NA (total 53.000 patients) 35/81 patients (43.2%) NA (total of 201 patients) | <0.001 0.0033 <0.001 0.004 <0.05 | Yes Yes Yes Yes Yes |