Table 2.
Demographic and clinical characteristics of the recovery vs. non-recovery group
| Recovery group | Non-recovery group | p value | |||
|---|---|---|---|---|---|
| Clinical characteristics | No. | Summary | No. | Summary | |
| Age, years | 130 | 62 (50, 69) | 13 | 72 (56, 82) | 0.034 |
| Male patients, No (%) | 130 | 77 (59.2) | 13 | 8 (61.5) | 0.252 |
| Fever on admission, No (%) | 130 | 41 (31.5) | 13 | 5 (38.5) | 0.756 |
| Systolic blood pressure, mmHg | 130 | 127 (114, 141) | 13 | 139 (121, 147) | 0.180 |
| Diastolic blood pressure, mmHg | 130 | 80 (72, 88) | 13 | 80 (70, 89) | 0.974 |
| Smoking, No (%) | 130 | 7 (5.4) | 13 | 2 (15.4) | 0.191 |
| Any comorbidity, No (%) | 130 | 62 (47.7) | 13 | 7 (53.8) | 0.775 |
| Chronic lung disease, No (%) | 130 | 8 (6.2) | 13 | 2 (15.4) | 0.226 |
| Diabetes, No (%) | 130 | 24 (18.5) | 13 | 2 (15.4) | > 0.999 |
| Hypertension, No (%) | 130 | 44 (33.8) | 13 | 4 (30.8) | > 0.999 |
| Tumor, No (%) | 130 | 7 (5.4) | 13 | 0 (0.0) | > 0.999 |
| Blood urea nitrogen, mg/dL | 130 | 5.0 (3.9, 6.2) | 13 | 4.8 (3.4, 6.6) | 0.763 |
| Admission SCr, mg/dL | 130 | 77 (62, 92) | 12 | 83 (60, 96) | 0.577 |
| Peak SCr, mg/dL | 130 | 84 (67, 99) | 13 | 89 (65, 98) | 0.897 |
| Discharge SCr, mg/dL | 96 | 66 (60, 82) | 10 | 83 (69, 89) | 0.015 |
| Admission eGFR, ml/min/1.73m2 | 130 | 88 (72, 100) | 12 | 81 (59, 91) | 0.182 |
| Peak eGFR, ml/min/1.73m2 | 130 | 81 (68, 93) | 13 | 73 (48, 92) | 0.478 |
| Discharge eGFR, ml/min/1.73m2 | 96 | 94 (84, 103) | 10 | 74 (66, 82) | 0.003 |
| Admission proteinuria | 109 | 106 (97.2) | 11 | 11 (100.0) | 0.443 |
| 1+ | 109 | 91 (83.5) | 11 | 8 (72.7) | |
| 2 + ~ 3+ | 109 | 15 (13.7) | 11 | 3 (27.3) | |
| Peak proteinuria | 124 | 118 (95.1) | 12 | 12 (100.0) | 0.341 |
| 1+ | 124 | 99 (79.8) | 12 | 8 (66.7) | |
| 2 + ~ 3+ | 124 | 19 (15.3) | 12 | 4 (33.3) | |
| discharge proteinuria | 37 | 8 (21.6) | 3 | 2 (66.6) | 0.024 |
| 1+ | 37 | 8 (21.6) | 3 | 1 (33.3) | |
| 2 + ~ 3+ | 37 | 0 (0.0) | 3 | 1 (33.3) | |
| Leukocyte count, × 109/L | 130 | 6.3 (4.6, 8.5) | 13 | 6.2 (5.0, 9.2) | 0.866 |
| Lymphocyte count, × 109/L | 130 | 0.8 (0.6, 1.0) | 13 | 1.0 (0.7, 1.2) | 0.072 |
| Platelet count, × 109/L | 130 | 195 (149, 263) | 13 | 265 (142, 347) | 0.161 |
| Hemoglobin, g/L | 130 | 129 (121, 139) | 13 | 125 (114, 128) | 0.114 |
| D-dimer, mg/L | 123 | 41 (19, 69) | 12 | 31 (20, 40) | 0.120 |
| hs-CRP, mg/L | 123 | 88 (38, 135) | 11 | 64 (13, 107) | 0.219 |
| Admission to intensive care unit, No (%) | 130 | 7 (0.1) | 13 | 0 (0.0) | > 0.999 |
| Mechanical ventilation, No (%) | 130 | 24 (18.5) | 13 | 0 (0.0) | 0.126 |
| Non-invasive, No (%) | 130 | 22 (16.9) | 13 | 0 (0.0) | 0.219 |
| Invasive, No (%) | 130 | 6 (4.6) | 13 | 0 (0.0) | > 0.999 |
| ECMO, No (%) | 130 | 3 (2.3) | 13 | 0 (0.0) | > 0.999 |
| Hospital length of stay, days | 130 | 28 (21, 36) | 13 | 21 (17, 26) | > 0.999 |
Values for categorical variables are given as count (percentage); values for continuous variables are given as median (interquartile range). Blood pressure and laboratory data were at the time of admission. SCr serum creatinine; eGFR estimated glomerular filtration rate; hs-CRP high-sensitivity c-reactive protein; ECMO extracorporeal membrane oxygenation