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Table 3 Relationship between clinical conditions and presence of malaria parasites by age group

From: Prospective study on severe malaria among in-patients at Bombo regional hospital, Tanga, north-eastern Tanzania

   Age group
Signs/Symptoms Status Infants 1-4 yrs 5-9 yrs 10-19 yrs 20+ yrs
  No 3 (20.0) 4 (33.3) 4 (50.0) 21 (56.8) 26 (49.1)
Severe clinical manifestations (%) Yes 12 (62.5) 117 (74.1) 23 (82.1) 18 (60.0) 14 (21.5)
  P- value 0.002 0.003 0.064 0.789 0.002
  No 20 (80.0) 30 (75.0) 7 (70.0) 16 (59.3) 12 (27.3)
Fever (Temp ≥ 37.5°, %) Yes 38 (48.7) 91 (70.0) 20 (76.9) 23 (57.5) 28 (37.8)
  P- value 0.006 0.542 0.667 0.886 0.241
  No 4 (58.6) 49 (66.2)    
Cerebral malaria* (%) Yes 17 (51.5) 72 (75.0)    
  P- value 0.5 0.21    
  No 38 (46.3) 86 (64.7) 25 (75.8) 37 (59.7) 38 (33.9)
Severe anaemia (Hb < 5 g/dl, %) Yes 20 (95.2) 35 (94.6) 2 (66.7) 2 (40.0) 2 (33.3)
  P- value 0.0001 0.0001 0.728 0.391 0.976
  No 53 (55.8) 112 (72.3) 27 (75.0) 37 (56.9) 38 (33.0)
Convulsions (%) Yes 4 (66.7) 9 (69.2) 0 2 (100) 2 (100)
  P- value 0.602 0.815   0.224 0.048
  No 28 (43.8) 68 (63.0) 20 (74.1) 31 (63.3) 35 (34.7)
Splenomegaly prevalence (%) Yes 30 (76.9) 53 (85.5) 7 (77.8) 8 (44.4) 5 (29.4)
  P- value 0.001 0.002 0.824 0.166 0.673
  1. *Assessed by the Blantyre coma score scale