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Table 2 Characteristics of complicated malaria cases per parasite species

From: Clinical and epidemiological aspects of complicated malaria in Colombia, 2007–2013

Variables P. vivax (n = 1126) P. falciparum (n = 1274) Mixed infection (n = 153) Total (n = 2553) p valuea
n % n % n % n %  
Gender
 Male 734 65.2 768 60.3 85 55.6 1587 62.2 0.010
 Female 392 34.8 506 39.7 68 44.4 966 37.8  
Age
 ≤15 years old 268 23.8 366 28.8 47 30.7 681 26.7 0.012
 >15 years old 858 76.2 907 71.2 106 69.3 1871 73.3  
Time between symptoms onset and diagnosis          0.044
 <24 h 149 13.2 129 10.1 13 8.5 291 11.4  
 24–48 h 85 7.5 69 5.4 7 4.6 161 6.3  
 48–72 h 110 9.8 129 10.1 13 8.5 252 9.9  
 >72 h 781 69.4 947 74.3 120 78.4 1848 72.4  
 No data 1 0.1 0 NA 0 NA 1 0.04  
Travel to malaria-endemic area in the last 15 days (yes) 625 55.5 536 42.1 52 34.0 1213 47.5 <0.001
Malaria episodes (last 30 days; yes) 219 19.4 187 14.7 35 22.9 441 17.3 0.001
Adequate anti-malarial treatmentb 438 38.9 512 40.2 75 49.0 1025 40.1 ns
Blood transfusion (last 30 days; yes) 33 2.9 54 4.2 9 5.9 96 3.8 ns
  1. Most frequent and significant data are highlighted in italics
  2. NS non significant
  3. ap value using the Chi square test between parasite species
  4. bDuring the current episode