Table 2 Admission characteristics of children with Mycoplasma. pneumoniae pneumonia in two groups according to their subsequent clinical outcome
Items | Modeling cohort (n = 517) | Validation cohort (n = 322) | P-value |
|---|---|---|---|
Age (years) | 5.42 (3.42 ~ 7.00) | 5.08 (3.00 ~ 10.00) | 0.171 |
Fever days | 4.00 (1.00 ~ 6.00) | 3.00 (3.00 ~ 6.00) | 0.491 |
WBC (109/L) | 8.20 (6.35 ~ 10.84) | 8.42 (6.34 ~ 11.49) | 0.318 |
PMNs % | 57.34 ± 15.32 | 58.00 ± 17.34 | 0.577 |
L % | 33.16 ± 14.17 | 32.45 ± 15.89 | 0.514 |
PMNs (109/L) | 4.62 (3.26 ~ 6.61) | 4.71 (3.22 ~ 7.22) | 0.506 |
L (109/L) | 2.46 (1.73 ~ 3.58) | 2.36 (1.74 ~ 3.50) | 0.658 |
Hb (g/L) | 129.26 ± 10.00 | 127.15 ± 12.58 | 0.007 |
PLT (109/L) | 302.84 ± 106.14 | 299.13 ± 101.78 | 0.617 |
CRP (ug/ml) | 4.09 (1.02 ~ 9.97) | 4.80 (1.36 ~ 14.59) | 0.028 |
ALT (U/L) | 15.50 (11.70 ~ 20.20) | 14.30 (11.00 ~ 18.90) | 0.009 |
AST (U/L) | 31.40 (25.50 ~ 40.00) | 32.90 (25.80 ~ 40.30) | 0.237 |
LDH (U/L) | 302.00 (259.40 ~ 379.50) | 320.70 (272.00 ~ 427.00) | 0.011 |
CK (U/L) | 87.70 (57.40 ~ 133.60) | 87.80 (59.00 ~ 132.00) | 0.968 |
CK-MB (U/L) | 23.00 (15.002 ~ 35.90) | 18.50 (1.33 ~ 33.70) | < 0.001 |
D-d (mg/L) | 0.43 (0.28 ~ 0.74) | 0.41 (0.25 ~ 0.82) | 0.307 |
Pumonary imaging score | 542 | 352 | 0.734 |
 1 | 416 (80.50%) | 255(79.20%) |  |
 2 | 50 (9.70%) | 41(12.70%) |  |
 3 | 19(3.70%) | 4(1.20%) |  |
 4 | 32(6.20%) | 22(6.80%) |  |