Table 2. Patient observations, investigation results and complications.
| All Patients (n = 191) |
Hs-cTnT (≤14 ng/L) (n = 67) |
Hs-cTnT (>14 ng/L) (n = 124) |
P value | |
|---|---|---|---|---|
| Admission Observation | ||||
| Temperature (°C) | 37.3 ± 1.2 | 37.3 ± 1.3 | 37.3 ± 1.3) | 0.97 |
| SBP (mmHg) | 127 (114–143) | 129 (118, 140) | 125 (112–144) | 0.244 |
| DBP (mmHg) | 75 ± 14 | 78 ± 12 | 74 ± 14 | 0.06 |
| Respiratory Rate (/min) | 22 (19–28) | 22 (19–28) | 23 (19–28) | 0.289 |
| Significant Hypoxia* | 45/185 (24.3) | 11/66 (16.7) | 34/119 (28.6) | 0.07 |
| Chest radiograph | ||||
| Consolidation | 41/185 (22.2) | 16/66 (24.2) | 25/119 (21.0) | 0.612 |
| Opacification | 73 (38) | 28 (42) | 45 (36) | 0.533 |
| Atelectasis | 18/185 (9.7) | 4/66 (6.1) | 14/119 (11.8) | 0.210 |
| Pleural Effusion | 10/185 (5.4) | 0 (0) | 10/119 (8.4) | 0.016 |
| ECG | ||||
| Heart rate (bpm) | 88 (75–102) | 88 (77–101) | 90 (75–104) | 0.590 |
| PR interval (ms) | 155 (140–174) | 155 (138–174) | 155 (141–176) | 0.456 |
| QRS duration (ms) | 97 (87–108) | 96 (86–102) | 100 (88–114) | 0.011 |
| QTc duration (ms) | 410.8 ± 38.5 | 396.8 ± 37.1 | 418.1 ± 37.4 | 0.0004 |
| Laboratory Results | ||||
| Haemoglobin (g/L) | 128 (113–144) | 141 (124–150) | 123 (107–139) | <0.0001 |
| Haematocrit | 0.39 (0.35–0.44) | 0.41 (0.38–0.44) | 0.37 (0.34–0.42) | 0.0001 |
| WCC (109/L) | 7.6 (5.5–10.3) | 7.6 (5.1–9.8) | 7.7 (5.6–11.5) | 0.238 |
| Platelet Count (109/L) | 228 (178–299) | 225 (181–293) | 231 9177–302) | 0.97 |
| Lymphocyte Count (×109/L) | 0.90 (0.69–1.29) | 1.08 (0.89–1.58) | 0.80 (0.54–1.14) | <0.0001 |
| Sodium (mmol/L) | 138 (135–140) | 138 (134–140) | 138 (135–141) | 0.31 |
| Potassium (mmol/L) | 4.2 (3.9–4.5) | 4.1 (3.9–4.3) | 4.2 (3.8–4.6) | 0.374 |
| Creatinine (μmol/L) | 86 (67–137) | 71 (62–85) | 105 (77–185) | <0.0001 |
| Ferritin (μg/L) | 753 (297–1493) | 775 (161–1409) | 739 (394–1657) | 0.295 |
| CRP (mg/L) | 115 (45–212) | 92 (28–207) | 131 (55–229) | 0.090 |
| D-Dimer (ng/ml) | 1104 (663–3037) | 885 (550–1377) | 1605 (800–3676) | 0.004 |
| Creatine Kinase (U/L) | 100 (64–241) | 102 (56–240) | 96 (71–271) | 0.566 |
| Complications | ||||
| NIV requirement | 47 (24.6) | 13 (19.4) | 34 (27.4) | 0.220 |
| ICU admission | 33 (17.3) | 15 (22.4) | 18 (14.5) | 0.170 |
| Intubation | 15 (7.9) | 6 (9.0) | 9 (7.3) | 0.677 |
| Inpatient Mortality | 51 (26.7) | 4 (6.0) | 47 (37.9) | <0.0001 |
Hs-cTnT: High sensitivity cardiac troponin T; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; ECG: Electrocardiogram; WCC: White cell count; CRP: C-reactive protein; NIV: Non-invasive ventilation; ICU: Intensive care unit. *FiO2 requirement >50% [30].