Gametocyte prevalence and risk factors of P. falciparum malaria patients admitted at the Hospital for Tropical Diseases, Thailand: a 20-year retrospective study

Table 3 Characteristics of P. falciparum malaria infection in cases with gametocytes versus no gametocytes on admission

	Total	No gametocytes on admission N = 1330	Gametocytes on admission N = 632	p value
	Mean (SD)
Duration of fever, days^a	4.5 (3.3)	4.0 (2.7)	5.7 (4.0)	< 0.001
Min–Max duration of fever, days	0−36	1−36	0−30	–
Fever on admission (> 37.5 °C), N (%)^b	1352 (68.9)	954 (71.7)	398 (63.0)	< 0.001
Geometric mean of asexual parasite density on admission, /µL	19,293 (10)	20,620 (10)	16,773 (10)	0.315
Maximum geometric mean of asexual parasite density during admission, /µL	24,071 (10)	25,840 (9)	20,730 (11)	0.045
Average time to maximum parasite density, hours	10 (3)	10 (4)	10 (3)	0.175

ISSN: 1475-2875