Characteristics | Severe pertussis group (n = 63) | Non-severe pertussis (n = 189) | t/χ2/Z | P |
---|---|---|---|---|
Liver function [(n) %)] | ||||
Normal | 44 (69.8) | 169 (89.4) | 13.843 | < 0.001 |
Abnormal | 19 (30.2) | 20 (10.6) | ||
WBC (× 109/L) | 22.71 (15.77, 32.69) | 19.77 (15.20, 26.00) | − 1.575 | 0.115 |
Lymphocytosis (× 109/L) | 15.91 (9.93, 24.14) | 13.39 (9.93, 18.60) | − 1.267 | 0.205 |
HGB (g/L) | 115.0 (106.0, 125.0) | 116.0 (109.0, 123.0) | − 0.167 | 0.868 |
PLT (× 109/L) | 523.0 (415.0, 620.0) | 476.0 (371.0, 605.0) | − 1.762 | 0.078 |
LDH (U/L) | 240.0 (213.0, 299.0) | 245.0 (213.0, 274.0) | − 0.670 | 0.503 |
AST (U/L) | 54.0 (45.0, 67.0) | 54.0 (45.0, 69.0) | − 0.526 | 0.599 |
CK (U/L) | 77.0 (49.0, 110.0) | 98.0 (67.0, 138.0) | − 2.295 | 0.022 |
CK-MB (U/L) | 38.75 (29.80, 50.70) | 33.80 (26.60, 43.10) | − 2.072 | 0.038 |
C3 (g/L) | 0.87 (0.76, 1.03) | 0.86 (0.77, 1.01) | − 0.008 | 0.993 |
C4 (g/L) | 0.19 (0.13, 0.27) | 0.18 (0.14, 0.23) | − 0.788 | 0.431 |
IgG (g/L) | 4.00 (2.60, 5.50) | 3.90 (2.10, 5.70) | − 0.764 | 0.445 |
IgA (g/L) | 0.15 (0.04, 0.34) | 0.14 (0.04, 0.28) | − 0.274 | 0.784 |
IgM (g/L) | 0.62 (0.44, 0.85) | 0.66 (0.44, 0.90) | − 0.544 | 0.586 |
Serum ferritin (μg/L) | 106.0 (56.0, 235.0) | 53.0 (29.0, 109.0) | − 3.706 | < 0.001 |
Blood sugar (mmol/L) | 5.27 ± 0.90 | 5.25 ± 0.72 | 0.250 | 0.803 |
CD3 (/L) | 10,982.0 (6512.0, 17,082.0) | 9156.5 (6206.5, 12,793.5) | − 1.661 | 0.097 |
CD4 (/L) | 6145.5 (3781.0, 10,593.5) | 5402.5 (3774.5, 7742.5) | − 1.641 | 0.101 |
CD8 (/L) | 4140.0 (1860.0, 6258.0) | 3160.0 (2105.0, 4624.5) | − 1.912 | 0.056 |
Co-infection [(n) %)] | ||||
No | 34 (54.0) | 129 (68.3) | 4.221 | 0.040 |
Yes | 29 (46.0) | 60 (31.7) | ||
Chest CT [(n) %)] | ||||
Normal | 5 (7.9) | 49 (25.9) | 22.776 | < 0.001 |
Pneumonia | 41 (65.1) | 82 (43.4) | ||
Pulmonary consolidation/atelectasis | 10 (15.9) | 10 (5.3) | ||
Others | 7 (11.1) | 48 (25.4) | ||
EEG [(n) %)] | ||||
Normal | 57 (90.5) | 187 (98.9) | 8.434 | 0.004 |
Abnormal | 6 (9.5) | 2 (1.1) |