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Table 2 Characteristics of children <18 years of age with malaria reported to GeoSentinel, January 2003–June 2016 (n = 325)

From: Malaria after international travel: a GeoSentinel analysis, 2003–2016

Characteristic All children (n = 325) 0–5 yearsa (n = 111) 6–11 years (n = 86) 12–17 years (n = 128)
Median age, years (range) 8 (4–15) 3 (2–4) 8 (7–10) 16 (14–17)
Male, n (%) 185 (57) 54 (49) 49 (57) 83 (65)
Travellers without pre-travel visit, n (%)b 166 (53) 56 (51) 45 (54) 65 (53)
Reason for travel, n (%)c
 VFR 257 (80) 88 (80) 83 (97) 86 (69)
 Tourism 45 (14) 20 (18) 2 (2) 23 (18)
 Business 8 (2) 2 (2) 1 (1) 5 (4)
 Missionaryd 6 (2) 1 (1) 0 (0) 5 (4)
 Student 6 (2) 0 (0) 0 (0) 6 (5)
Region of exposure, n (%)
 Sub-Saharan Africa 274 (84)e 100 (90) 72 (84) 102 (79)
 South Central Asia 35 (11) 10 (9) 13 (15) 12 (9)
 Southeast Asia 9 (3) 0 (0) 0 (0) 9 (7)
 North Africa 2 (1) 1 (1) 0 (0) 1 (1)
 Oceania 2 (1) 0 (0) 0 (0) 2 (2)
 South America 2 (1) 0 (0) 0 (0) 2 (2)
 Caribbean 1 (<1) 0 (0) 1 (1) 0 (0)
Plasmodium species, n (%)f
 P. falciparum 237 (78) 86 (84) 63 (77) 88 (73)
 P. vivax 46 (15) 10 (10) 14 (17) 22 (18)
 P. ovale 15 (5) 4 (4) 5 (6) 6 (5)
 P. malariae 7 (2) 2 (2) 0 (0) 5 (4)
 P. knowlesi 0 (0) 0 (0) 0 (0) 0 (0)
Median trip duration, days (IQR) 43 (29–90) 42 (28–85) 57 (35–89) 42 (28–108)
Median days between return and presenting to a site (IQR) 12 (6–22) 13 (6–25) 11 (7–20) 12 (6–23)
Hospitalized, n (%) 237 (73) 88 (79) 66 (77) 83 (65)
Severe malaria, n (%) 31 (10) 13 (12) 10 (12) 8 (6)
  1. aThree children were <1 year old; all were VFRs who travelled to sub-Saharan Africa and acquired P. falciparum
  2. bInformation was not available for 9 children (1 child 1–5 years of age, 2 children 6–11 years of age, and 6 children 12–17 years of age)
  3. cInformation was not available for 3 children, all 12–17 years of age
  4. dIncludes missionaries, volunteers and aid workers
  5. eInformation was not available for 20 children (9 children 1–5 years of age, 4 children 6–11 years of age, and 7 children 12–17 years of age)
  6. f Of these, 167 (65%) were born in the country their parents immigrated to