Table 3 Pneumococcal serotypes, clinical characters and laboratory findings of children with pneumococcal pneumonia according to vaccination status and type of vaccine received

Probable pneumococcal pneumonia

487 (86.6)

363 (86.2)

274 (86.7)

104 (86.7)

Definitive pneumococcal pneumonia

75 (13.4)

58 (13.8)

0.845

42 (13.3)

16 (13.3)

 Type 3

12 (2.1)

7 (1.7)

0.594

6 (1.9)

1 (0.8)

 Type 6

1 (0.2)

1 (0.2)

1.000

0

1 (0.8)

 Type 14

1 (0.2)

1 (0.2)

1.000

0

1 (0.8)

 Type 19A

29 (5.2)

27 (6.4)

0.402

22 (7.0)

6 (5.0)

 Type 19F

1 (0.2)

2 (0.5)

0.580

1 (0.3)

1 (0.8)

 Unknown

518 (91.1)

383 (90.9)

0.502

287 (90.8)

110 (91.7)

 Pleural fluid aspiration

61 (10.9)

38 (9.0)

0.346

27 (8.5)

10 (8.3)

 Chest catheter

86 (15.3)

58 (13.8)

0.503

45 (14.2)

13 (10.8)

 VATS

54 (9.6)

43 (10.2)

0.753

31 (9.8)

12 (10.0)

 ICU admission

132 (23.5)

946 (22.3)

0.669

71 (22.5)

22 (18.3)

 Days in ICU

9.6 ± 11.0

7.2 ± 8.1

0.058^c

7.1 ± 8.4

7.1 ± 7.5

 O2 use

195 (34.7)

155 (36.8)

0.492

108 (34.2)

46 (38.3)

 O2 use day >=7 days

60 (10.7)

49 (11.6)

0.634

37 (11.7)

12 (10.0)

 Admission days >= 14 days

95 (16.9)

69 (16.4)

0.831

52 (16.5)

16 (13.3)

 Lowest Hb (g/ dl)

11.6 ± 3.7

11.4 ± 1.5

0.289^c

11.5 ± 1.4

11.4 ± 1.6

 Highest WBC (x k/ cumm)

14.0 ± 9.1

13.9 ± 8.3

0.832^c

13.8 ± 8.7

14.1 ± 7.6

 Lowest WBC (x k/ cumm)

8.8 ± 4.8

9.5 ± 5.7

0.026^c

9.5 ± 6.0

9.9 ± 5.3 ^a

 Highest Bandemia (%)

7.2 ± 11.8

6.1 ± 10.2

0.128^c

6.2 ± 10.7

5.4 ± 8.2 ^a

 Highest Neutrophils (x k/ cumm)

34.0 ± 32.3

27.9 ± 29.9

0.003^c

33.3 ± 32.1

12.2 ± 14.0 ^a

 Highest Lymphocytes (x k/ cumm)

12.5 ± 15.5

10.2 ± 14.8

0.021^c

12.6 ± 16.0

3.3 ± 7.3 ^a

 Highest Eosinophils (x k/ cumm)

0.9 ± 2.0

1.2 ± 3.4

0.083^c

0.9 ± 1.7

2.2 ± 5.7 ^a

 Highest Platelets (x k/ cumm)

368.1 ± 200.9

366.2 ± 196.5

0.883^c

360.0 ± 199.1

377.1 ± 194.6

 Highest CRP (mg/ dl)

13.2 ± 12.4

10.9 ± 11.0

0.002^c

11.5 ± 11.4 ^a

8.9 ± 9.5 ^a