Hemoglobin increased to the expected level (n = 93)

Hemoglobin elevation did not reach the expected group (n = 156)

P

Gender, number of cases (%)

0.312

male

62 (66.7)

94 (60.3)

female

31 (33.3)

62 (39.7)

Age, number of cases (%)

0.461

Less than 3 years old

17 (18.3)

33 (21.2)

3- 6 years old

30 (32.3)

57 (36.5)

6 - 12 years old

25 (26.9)

43 (27.6)

12 - 18 years old

21 (22.6)

23 (14.7)

Body weight (kg), mean ± SD

21.77 ± 12.12

19.29 ± 10.79

0.095

Hemoglobin value before blood transfusion (g/L), mean ± standard deviation

52.51 ± 9.82

53.96 ± 9.34

0.246

Hemoglobin value after infusion (g/L), mean ± standard deviation

85.8 ± 16.78

71.38 ± 14.42

<0.001

Malignant disease, cases (%)

0.974

Yes

61 (65.6)

102 (65.4)

No

32 (34.4)

54 (34.6)

Type of red blood cell suspension infused, number of cases (%)

0.032

Red blood cell suspension

88 (94.6)

134 (85.9)

Wash red blood cell suspension

5 (5.4)

22 (9.1)

Whether there is fever before infusion, number of cases (%)

0.647

Yes

18 (19.4)

34 (21.8)

No

75 (80.6)

122 (78.2)

Whether blood transfusion is timely, number of cases (%)

0.737

timely

79 (84.9)

130 (83.3)

delay

14 (15.1)

26 (16.7)

No fever before blood transfusion, fever after blood transfusion, cases (%)

<0.001

Yes

3 (4.0)

32 (26.2)

No

72 (96.0)

90 (73.8)