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Table 2 Characteristics of malaria in 96 resident immigrants and 29 native cases under 20 years of age in Barcelona 1990-2008*.

From: Epidemiology of imported malaria among children and young adults in Barcelona (1990-2008)

  Resident immigrant n(%) Native n (%) Total n (%) Crude OR (95%CI) Adjusted OR (95%CI) P value
Sex       
Female 54 (56.3) 14 (48.3) 68 (54.4) 1 1 0.41
Male 42 (43.8) 15 (51.7) 57 (45.6) 0.7 (0.3-1.7) 0.7 (0.3-1.7)  
Age (years)       
< 5 27 (27.8) 12 (42.9) 39 (31.2) 1 1 0.044
6 to 14 41 (42.3) 11 (39.3) 52 (41.6) 1,4 (0.6-3.8) 1.9 (0.7-5.3)  
15 to 19 29 (29.9) 5 (17.8) 34 (27.2) 2,6 (0.8-8.3) 3.7 (1-13.3)  
District of residence       
Other 79 (81.4) 24 (85.7) 103 (82.4) 1   
Inner city 18 (18.6) 4 (14.3) 22 (17.6) 1.4 (0.5-4.7)   
Continent of travel       
Asia 9 (9.4) 4 (16.7) 13 (10.8) 1   
America 3 (3.1) 0 (0) 3 (2.5) 1   
Africa 84 (87.5) 20 (83.3) 104 (86.3) 2,4 (0.9-6.6)   
Reason of travel (VFR)       
No 9 (9.3) 8 (28.6) 17 (13.6) 1 1 0.003
Yes 88 (90.7) 20 (71.4) 108 (86.4) 5 (1.7-14.4) 6.4 (2-19.9)  
Species detected       
P. falciparum 68 (70.1) 16 (57.1) 84 (67.2) 1.6 (0.7-3.9)   
P. vivax 14 (14.4) 6 (21.4) 20 (16) 1   
P. ovale 4 (4.1) 3 (10.7) 7 (5.6)    
P. malariae 3 (3.1) 1 (3.6) 4 (3.2)    
Mixed 4 (4.1) 1 (3.6) 5 (4)    
Plasmodium spp 4 (4.1) 1 (3.6) 5 (4)    
Chemoprophylaxis       
No 93 (69.9) 28 (96.6) 121 (96.8) 1   
Yes 3 (3.1) 1 (3.4) 14 (3.2) 0.9 (0.09-9)   
Hospitalization       
No 87 (90.6) 24 (82.8) 111 (88.8) 1   
Yes 9 (9.4) 5 (17.2) 14 (11.2) 0.5 (0.2-1.6)   
  1. * 49 recently arrived immigrants were excluded.