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Table 5 Admission haematology laboratory details for the three study sites

From: Prognostic indicators in adults hospitalized with falciparum malaria in Western Thailand

Variable

All patients

Kanchanaburi

Sangklaburi

Mae Sot

 

N

Number (%)

N

 

N

 

N

 

Parasitaemia /μLb,c

953

72,694 (64.402-82,054)

540

53,766 (45,785-63,138)

74

71,793 (51,736-99,625)

339

117,827 (95,989-144,633)

Rings %

874

97 (1–100)

486

97 (6–100)

66

98 (42–100)

322

95 (1–100)

Trophozoites %

874

3 (0–99)

486

2.5 (0–94)

66

2.0 (0–58)

323

4.0 (0–99)

Schizonts %

876

0 (0–25)

486

0 (0–12)

67

0 (0–6)

320

0 (0–25)

Pigmented stages > 104/L

868

274/594 (32)

482

121/361 (25)

66

13/53 (20)

322

140/180 (43)

Trophozoites and schizonts%

874

4 (0–99)

486

3 (0–94)

66

2 (0–58)

321

5 (0–99)

Modal Stage %

833

55 (19–99)

446

56 (19–99)

66

70 (30–96)

339

53 (23–97)

Haematocrit %

962

37 (6–56)

549

37 (8–56)

74

38 (22–50)

285

38 (6–54)

Haemoglobin g/dL a

761

11.3 (11.1-11.5)

476

10.9 (10.7-11.1)

0

-

314

12.0 (11.6-12.3)

White cells x 109/L

889

6.8 (1.5-67.0)

519

6.6 (1.8-67)

56

5.7 (1.5-25)

292

7.1 (1.9-54)

Neutrophils %

863

75 (12–97)

507

73 (31–97)

64

74 (12–96)

281

77 (41-96)

Platelets x109/L

527

74 (0.5-404)

246

105 (16–384)

0

-

329

45 (1–404)

  1. c number of asexual parasites/1000 erythrocytes on thin film x haematocrit% × 125.6 or number of asexual parasites/200 white cells on thick film assuming white cell count 8 × 109/L.