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Table 1 Frequency, sensitivity and specificity of symptoms for clinical malaria (symptomatic Plasmodium falciparum parasitaemia) in children <5 years of age

From: Sensitivity of fever for diagnosis of clinical malaria in a Kenyan area of unstable, low malaria transmission

Symptoms Pf pos,an (%) Pf neg,bn (%) P value Sensitivity (%) Specificity (%)
Fever 32 (89) 506 (85) 0. 49 88. 9 15. 4
Appetite loss 25 (64) 323 (54) 0. 07 69. 4 46
Headache 19 (53) 191 (32) 0. 01 52. 8 68. 1
Vomiting 11 (31) 237 (40) 0. 28 30. 6 60. 4
Chills 10 (28) 56 (9) <0. 001 27. 8 90. 6
Malaise 7 (19) 53 (9) 0. 04 19. 4 91. 1
Diarrhea 5 (14) 121 (20) 0. 35 13. 9 79. 8
Nausea 3 (8) 30 (5) 0. 38 8. 3 95
Joint pains 1 (3) 12 (2) 0. 75 2. 8 98
Jaundice 0 (0) 7 (1) 0. 51 0 98. 8
Backache 0 (0) 8 (1) 0. 49 0 98. 7
  1. Abbreviations: Pf P. falciparum, pos positive, neg negative.
  2. aTotal N for Pf pos, N = 36.
  3. bTotal N for Pf neg, N = 598.