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Table 2 Course characteristics and infection outcomes (N = 127)

From: Infections in pediatric acute promyelocytic leukemia: from the canadian infections in acute myeloid leukemia research group

 

All (N = 127)

Intensive treatment (N = 101)

APL-specific treatment (N = 99)

Course characteristics

   

Number with neutropenia (ANC <0.5 × 109) at start of course (%)

27 (21.3)

27 (26.7)

21 (21.2)

Median days with neutropenia1(IQR)

7.5 (0.0, 19.0)

11.0 (0.0, 20.0)

3.0 (0.0, 18.0)

Median days receiving systemic corticosteroids (IQR)

0.0 (0.0, 5.0)

0.0 (0.0, 6.0)

0.0 (0.0, 3.0)

Median corticosteroid dose1 (IQR)

0.0 (0.0, 29.7)

0.0 (0.0, 38.4)

0.0 (0.0, 5.7)

Supportive care

   

Co-trimoxazole prophylaxis (%)

89 (70.1)

71 (70.3)

77 (77.8)

Other antibacterial prophylaxis (%)

0

0

0

Fluconazole prophylaxis (%)

30 (23.6)

27 (26.7)

18 (18.2)

Infection outcomes 2

   

Sterile site microbiologically documented infection (%)

15 (11.8)

14 (13.9)

9 (9.1)

Sterile site Gram-positive (%)

12 (9.5)

11 (10.9)

7 (7.1)

Sterile site Gram-negative (%)

4 (3.2)

4 (4.0)

2 (2.0)

Sterile site fungus (%)

2 (1.6)

2 (2.0)

2 (2.0)

Bacteremia (%)

11 (8.7)

10 (9.9)

7 (7.1)

Clinically documented infection (%)

30 (23.6)

24 (23.8)

26 (26.3)

Sepsis

8 (6.3)

7 (6.9)

8 (8.1)

Infectious death

1 (0.8)

1 (1.0)

1 (1.0)

  1. Abbreviations: ANC absolute neutrophil count, IQR interquartile range; 1 Presented as mg/m2 of dexamethasone equivalents; 2Infection outcomes represent at least one event per course; number of specific infections do not add to the total as 3 courses had multiple infection types.