Table 3.

Travel characteristics among severe malaria cases

Characteristic	All severe cases no./no. (%)		non-mBC no./no. (%)		mBC no./no. (%)		P value
Reason for travel
Visiting friends and relatives	97/214	(45)	16/89	(18)	81/125	(65)	0.000
Business	40/214	(19)	34/89	(38)	6/125	(5)	0.000
Immigration	34/214	(16)	1/89	(1)	33/125	(26)	0.000
Vacation	29/214	(14)	23/89	(26)	6/125	(5)	0.000
Volunteer	20/214	(9)	17/89	(19)	3/125	(2)	0.000
Education	9/214	(4)	3/89	(3)	6/125	(5)	0.608
Military	0/214	(0)	0/89	(0)	0/125	(0)	-
Medical	0/214	(0)	0/89	(0)	0/125	(0)	-
Other	8/214	(4)	4/89	(4)	4/125	(3)	0.623
Region of travel
Africa	220/248	(89)	100/116	(86)	120/132	(91)	0.243
Central & South America	10/248	(4)	7/116	(6)	3/132	(2)	0.133
Caribbean	7/248	(3)	3/116	(3)	4/132	(3)	0.833
Asia	9/248	(4)	4/116	(3)	5/132	(4)	0.887
Oceania	2/248	(1)	2/116	(2)	0/132	(0)	0.130
Length of travel, days, median (range)	31	(4–946)	31	(4–536)	35	(5–946)	0.599
Pre-travel advice obtained	78/216	(36)	55/98	(56)	23/118	(19)	0.000
Chemoprophylaxis used	55/239	(23)	35/112	(31)	20/127	(16)	0.000
Chemoprophylaxis appropriate	30/55	(55)	20/35	(57)	10/20	(50)	0.791
Infection species
P. falciparum	229/244	(94)	105/114	(92)	124/130	(95)	0.287
P. vivax	9/244	(4)	5/114	(4)	4/130	(3)	0.588
P. malariae	1/244	(0)	1/114	(1)	0/130	(0)	0.285
P. ovale	2/244	(1)	1/114	(1)	1/130	(1)	0.926
P. knowlesi	0/244	(0)	0/114	(0)	0/130	(0)	-
Unknown	10/244	(4)	6/114	(5)	4/130	(3)	0.390

Abbreviations: non-mBC not born in malaria-endemic country, mBC born in malaria-endemic country.