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Table 2 Plasmodium species-specific real-time PCR results in correlation with age, gender, body temperature, haemoglobin levels, and ABO blood group typing results

From: Epidemiology of Plasmodium infections in Flores Island, Indonesia using real-time PCR

Variables    n total % Positive p-value1 Ct-value median Ct-value range p-value2
Age group (years) Pf < 20 642 22.4 <0.001 34.2 24.2-48.7 0.003
  ≥ 20 867 8.7 36.0 28.3-43.5
Pv < 20 642 18.4 <0.001 35.7 26.5-48.3 n.s.
  ≥ 20 867 9.3 36.5 28.3-46.1
Pm < 20 642 2.0 n.s. 33.0 27.2-43.7 n.s.
  ≥ 20 867 1.7 36.0 29.8-41.0
Gender Pf Male 629 15.9 n.s. 34.0 24.2-46.0 n.s.
  Female 880 13.5 34.9 27.2-48.7
Pv Male 629 15.7 0.013 36.0 28.3-43.2 n.s.
  Female 880 11.4 36.1 26.5-48.3
Pm Male 629 1.9 n.s. 36.6 28.8-43.7 n.s.
  Female 880 1.8 32.1 27.2-42.7
Haemoglobin Pf Normal 400 12.8 <0.001 34.9 27.1-43.5 0.02
  Anaemia 138 30.4 32.7 25.1-42.0
Pv Normal 400 12.5 n.s. 36.9 28.3-48.3 0.01
  Anaemia 138 15.9 34.2 26.5-41.6
Pm Normal 400 2.0 n.s. 36.3 28.8-38.1 n.s.
  Anaemia 138 2.9 32.1 30.7-40.7
Blood Group Pf A 320 12.5   35.3 25.1-42.6  
  B 315 13.0   34.1 25.9-43.4  
  O 564 13.1 n.s.# 34.3 24.2-78.7 n.s.#
  AB 64 18.8 37.2 29.3-38.8
Pv A 320 10.3   36.2 28.3-46.1  
  B 315 15.9   36.3 31.1-43.2  
  O 564 12.4 n.s.# 36.3 27.7-44.2 n.s.#
  AB 64 20.3 35.8 28.7-39.0
Pm A 320 1.9   35.1 27.2-41.0  
  B 315 1.6   36.0 28.0-36.7  
  O 564 2.0 n.s.# 34.8 30.7-43.7 n.s.#
  AB 64 1.6 0 40.7
  Pf <36.5 394 12.4   34.3 24.2-48.7  
   36.5-37.5 1094 14.9   34.5 25.1-46.0 n.s.
   >37.5 8 50.0   34.1 31.5-39.4  
  Pv <36.5 394 14.2   36.2 28.3-48.3  
Temperature   36.5-37.5 1094 12.7   36.0 26.5-46.1 n.s.
(°C)   >37.5 8 12.5   40.5 40.5  
  Pm <36.5 394 2.0   31.4 27.9-36.8  
   36.5-37.5 1094 1.8   35.4 27.2-43.7 n.s.
   >37.5 8 0.0   -- --  
  1. 1 Pearson Chi square test.
  2. 2 Non Parametric Test (NPT) with Mann Whitney.
  3. # p-value of blood group AB compared to non AB blood group.
  4. n.s. Not Significant.