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Table 1 Demographics, baseline characteristics and baseline haemoglobin measurements

From: The haematological consequences of Plasmodium vivax malaria after chloroquine treatment with and without primaquine: a WorldWide Antimalarial Resistance Network systematic review and individual patient data meta-analysis

 

Chloroquine alone

Chloroquine plus primaquine

Overall

Number (%)*

Mean Hb (SD)

Range

Number (%)*

Mean Hb (SD)

Range

Number (%)*

Mean Hb (SD)

Range

Overall

1975 (100)

12.2 (2.1)

6.0 to 18.7

1446 (100)

12.7 (2.1)

4.0 to 19.0

3421 (100)

12.4 (2.1)

4.0 to 19.0

 Parasitaemia, parasites per uL; median (IQR)

3400 (1261, 8290)

  

2700 (912, 7040)

  

3104 (1137, 8000)

  

Gender

 Female

772 (39.1)

11.8 (1.9)

6.0 to 17.4

438 (30.3)

11.7 (1.8)

4.0 to 17.4

1210 (35.4)

11.7 (1.9)

4.0 to 17.4

 Male

1203 (60.9)

12.5 (2.1)

6.6 to 18.7

1008 (69.7)

13.1 (2.1)

4.9 to 19.0

2211 (64.6)

12.8 (2.1)

4.9 to 19.0

Age category, years

 < 5

225 (11.4)

10.7 (2.0)

6.0 to 16.6

72 (5.0)

10.3 (1.8)

4.9 to 14.1

297 (8.7)

10.6 (2.0)

4.9 to 16.6

 5 to < 15

691 (35.0)

11.6 (1.8)

6.6 to 17.4

326 (22.5)

11.5 (1.6)

5.5 to 16.3

1017 (29.7)

11.6 (1.8)

5.5 to 17.4

 ≥ 15

1059 (53.6)

13.0 (1.9)

6.2 to 18.7

1048 (72.5)

13.2 (2.0)

4.0 to 19.0

2107 (61.6)

13.1 (2.0)

4.0 to 19.0

Weight category, kg

 5 to < 15

195 (9.9)

10.4 (1.9)

6.0 to 16.3

83 (5.7)

10.3 (1.6)

5.2 to 13.4

278 (8.1)

10.4 (1.8)

5.2 to 16.3

 15 to < 25

440 (22.3)

11.5 (1.9)

6.9 to 16.6

172 (11.9)

11.1 (1.6)

4.9 to 15.9

612 (17.9)

11.4 (1.8)

4.9 to 16.6

 25 to < 35

182 (9.2)

11.7 (1.6)

6.6 to 16.2

94 (6.5)

11.7 (1.6)

7.5 to 15.1

276 (8.1)

11.7 (1.6)

6.6 to 16.2

 35 to < 45

196 (9.9)

12.1 (1.9)

6.5 to 17.4

153 (10.6)

12.1 (1.9)

5.8 to 17.1

349 (10.2)

12.1 (1.9)

5.8 to 17.4

 45 to < 55

404 (20.5)

12.9 (1.9)

6.2 to 18.7

338 (23.4)

12.9 (1.9)

5.4 to 18.1

742 (21.7)

12.9 (1.9)

5.4 to 18.7

 55 to < 80

484 (24.5)

13.1 (1.9)

7.0 to 18.1

508 (35.1)

13.6 (1.9)

4.0 to 19.0

992 (29.0)

13.3 (1.9)

4.0 to 19.0

 ≥ 80

74 (3.7)

13.8 (1.3)

9.9 to 16.5

98 (6.8)

14.0 (1.7)

8.2 to 17.9

172 (5.0)

13.9 (1.5)

8.2 to 17.9

G6PD status

 Normal

856 (43.3)

12.4 (1.9)

6.5 to 18.1

836 (57.8)

12.8 (2.0)

5.4 to 19.0

1692 (49.5)

12.6 (2.0)

5.4 to 19.0

 Borderline

3 (0.2)

13.9 (1.1)

13.1 to 15.2

0 (0)

–

–

3 (0.1)

13.9 (1.1)

13.1 to 15.2

 Deficient

24 (1.2)

12.4 (1.8)

8.6 to 15.7

1 (0.1)

14.0 (−)

14.0 to 14.0

25 (0.7)

12.4 (1.8)

8.6 to 15.7

 Not known

1092 (55.3)

12.1 (2.2)

6.0 to 18.7

609 (42.1)

12.5 (2.2)

4.0 to 18.9

1701 (49.7)

12.2 (2.2)

4.0 to 18.9

Relapse periodicity

 Long

1360 (68.9)

12.3 (2.1)

6.0 to 18.1

627 (43.4)

13.4 (1.9)

4.0 to 18.9

1987 (58.1)

12.6 (2.1)

4.0 to 18.9

 Short

615 (31.1)

12.1 (2.0)

6.2 to 18.7

819 (56.6)

12.2 (2.1)

4.9 to 19.0

1434 (41.9)

12.2 (2.0)

4.9 to 19.0

Geographical region

 Asia-Pacific

1114 (56.4)

11.9 (1.9)

6.2 to 18.7

1133 (78.4)

12.5 (2.1)

4.9 to 19.0

2247 (65.7)

12.2 (2.0)

4.9 to 19.0

 The Americas

285 (14.4)

12.5 (2.0)

7.0 to 17.4

313 (21.6)

13.5 (1.8)

4.0 to 18.9

598 (17.5)

13.0 (2.0)

4.0 to 18.9

 Africa

576 (29.2)

12.7 (2.2)

6.0 to 18.1

0 (0)

–

–

576 (16.8)

12.7 (2.2)

6.0 to 18.1

  1. Hb haemoglobin, SD standard deviation, IQR inter-quartile range
  2. *Number of patients (percentage of total patients in group) unless otherwise specified