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Volume 22, Number 10—October 2016

Accuracy of Diagnosis of Human Granulocytic Anaplasmosis in China

Gary P. WormserComments to Author 
Author affiliation: New York Medical College, Valhalla, New York, USA

Main Article

Table 4

Selected clinical and laboratory variables of patients with an HGA diagnosis in China and the United States*

Variable China, no. (%) patients† United States, no. (%) patients‡ p value§
Number 165 44
Headache 38 (23.0) 36 (81.8) <0.0001
Myalgias 44 (26.7) 33 (75.0) <0.0001
Diarrhea 63 (38.2) 6 (13.6) 0.002
Leukopenia¶ 144/145 (99.3) 24 (54.5) <0.0001
<100,000 platelets/mm3 151 (91.5) 13 (29.5) <0.0001

*HGA, human granulocytic anaplasmosis.
†3 case series of HGA published in 2011, 2013, and 2015 (2022).
‡Case series of culture-confirmed HGA published in 2013 (4).
§Fisher exact test.
¶<4,500, <3,600, <4,000 leukocytes/mm3 for references (4), (20), and (22), respectively.

Main Article

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Page updated: September 26, 2016
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