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Table 2 Characteristics of patients with Malaria infection in the mine-impact area during the study period, 2006 – 2011

From: Malaria epidemiology in Lihir Island, Papua New Guinea

Characteristic

P. falciparum infection (n = 20,302)

P. vivax infection (n = 7,808)

All malaria infections (n = 28,747)

Age, median years (IQR)

22.0 (6.0 – 34.0)

10.0 (3.0 – 30.0)

20.0 (5.0 – 33.0)

Children under 5 years of age, %

18.4% (17.8 – 18.9)

32.6% (31.6 – 33.6)

21.7% (21.3 – 22.2)

Male sex

51.9% (51.2 – 52.6)

53.7% (52.6 – 54.8)

52.5% (51.9 – 53.0)

Origin

   

Lihirian

46.9% (46.2 – 47.5)

50.3% (49.1 – 51.4)

47.7% (47.1 – 48.3)

Migrant

53.1% (52.5 – 53.8)

49.7% (48.6 – 50.8)

52.3% (51.7 – 52.9)

Severity and outcome

   

Malaria admissions, n (%)

406 (2.0%; 1.8 – 2.2)

23 (0.3%; 0.2 – 0.5)

429 (1.5%; 1.4 – 1.7)

Died in hospital, n (%)

13 (0.06%; 0.03 – 0.10)

none

13 (0.04%; 0.02 – 0.07)

  1. Legend. Data are % (95 CI) of patients, unless otherwise indicated. IQR, interquartile range.