Table 3.
Laboratory biomarkers of patients with COVID-19 according to the presence or absence of post-COVID pain at 6-month and 12-month follow-up.
| 6 months follow-up period | ||
|---|---|---|
| Post-COVID pain (n = 176) | No post-COVID pain (n = 236) | |
| Haemoglobin (g/dL) | 13.9 (1.5) | 14.0 (1.6) |
| Lymphocyte (×109/L)* | 1.15 (0.5) | 1.05 (0.4) |
| Neutrophils (×109/L) | 5.15 (2.6) | 5.25 (2.8) |
| Platelets (×109/L) | 281.7 (80.9) | 290 (83.8) |
| Glucose (mg/mL)* | 112.0 (31.0) | 124.0 (37.5) |
| Creatine (mg/L)* | 97.5 (36.4) | 108.0 (44.5) |
| Alanine transaminase (ALT, U/L) | 49.0 (39.4) | 48.5 (37.6) |
| Aspartate transaminase (AST, U/L) | 47.0 (34.1) | 48.6 (30.6) |
| Lactate dehydrogenase (LDH, U/L) | 271.8 (97.7) | 286.7 (91.6) |
| C-reactive protein (mg/L) | 78.9 (80.7) | 84.7 (88.3) |
| L-dimer (ng/mL) | 935.2 (848.9) | 992.1 (993) |
| 12-month follow-up period | ||
|---|---|---|
| Post-COVID pain (n = 149) | No post-COVID pain (n = 263) | |
| Haemoglobin (g/dL) | 13.9 (1.6) | 14.0 (1.5) |
| Lymphocyte (×109/L) | 1.2 (0.45) | 1.02 (0.4) |
| Neutrophils (×109/L) | 4.95 (2.5) | 5.35 (2.8) |
| Platelets (×109/L) | 327.0 (95.0) | 265.0 (74.5) |
| Glucose (mg/mL) | 114.0 (26.0) | 122.0 (40.0) |
| Creatine (mg/L) | 92.1 (24.4) | 110.0 (47.5) |
| Alanine transaminase (ALT, U/L) | 51.0 (49.5) | 47.5 (30.0) |
| Aspartate transaminase (AST, U/L) | 50.2 (41.3) | 46.6 (25.5) |
| Lactate dehydrogenase (LDH, U/L) | 272.4 (85.8) | 285.0 (98.5) |
| C-reactive protein (mg/L) | 75.0 (79.5) | 86.2 (87.8) |
| L-dimer (ng/mL) | 818.5 (737.7) | 1056.0 (1020.1) |
*
Statistically significant differences between groups (P < 0.01).
n, number.