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Table 2 Laboratory test results of the total 244 patients and univariate analysis by subgroups

From: Prevalence of submicroscopic malaria infection in immigrants living in Spain

  Total N = 244 Patients with submicroscopic malaria N = 14 Negative patients N = 230 P value*
Leukocyte count (× 103/mm3), median (IQR) 5.3 (4.0–6.9) 5.2 (3.9–7.4) 5.3 (4.0–6.9) 0.898
Leukopaeniaa, n (%) 55 (22.5) 4 (28.6) 51 (22.2) 0.525
Platelet count (× 103 /mm3), median (IQR) 219 (172–264) 204 (177–243) 219 (172–266) 0.459
Thrombocytopaeniab, n (%) 33 (13.52) 3 (21.4) 30 (13.0) 0.413
Haemoglobin level (mg/dl), median (IQR) 13.4 (12.1–14.6) 14.0 (12.2–15.0) 13.4 (12.1–14.5) 0.361
Anaemiac, n (%) 65 (26.6) 3 (21.4) 62 (26.9) 0.765
  1. *P values < 0.05 were considered statistically significant. Mann Whitney U-test and Fisher’s exact tests were performed for quantitative and categorical variables, respectively
  2. aDefined as < 3 × 103 leukocytes/mm3
  3. bDefined as < 150 × 103 platelets/mm3
  4. cDefined as < 13 mg haemoglobin/dl for men and < 12 mg haemoglobin/dl for women