Table 1 Clinical features and laboratory parameters of children with Kawasaki disease with or without Mycoplasma pneumoniae infection

No. of patients (%)

62 (13.7)

388 (86.3)

-

Median age (quartiles), m

25 (17, 48)

14.5 (8, 29)

<0.01*

Male to female ratio

1.82

1.91

0.62

Median fever duration before the diagnosis of KD (quartiles), days

7 (5, 8)

6 (5, 7)

0.14*

Rash, n (%)

49 (79.0)

294 (75.8)

0.57

Conjunctival injection, n (%)

50 (80.6)

323 (83.2)

0.61

Changes in extremities, n (%)

51 (82.3)

298 (76.8)

0.34

Cervical lymphadenopathy, n (%)

43 (69.4)

233 (60.1)

0.16

Mucosal changes, n (%)

55 (88.7)

340 (87.6)

0.81

ESR, mm/h

39.9 ± 25.4

35.4 ± 24.0

0.03*

WBC, ×10⁹/L

14.6 ± 6.4

14.1 ± 5.0

0.45

PLT, ×10⁹/L

369.8 ± 130.1

381.5 ± 125.4

0.30

N%

68.6 ± 13.8

64.0 ± 15.9

<0.01*

CRP, mg/L

70.6 ± 15.6

64.7 ± 15.1

<0.01*