Skip to main content
. 2016 Nov 25;15:569. doi: 10.1186/s12936-016-1619-5

Table 2.

Univariate logistic regression of demographic and diagnostic features by species of malaria infection

Feature P. falciparum $ P. vivax $ OR (95% CI) p value
Male, n/N (%) 210/228 (92.1) 768/838 (91.6) 1.1 (0.6–1.9) 0.806
Age, y, Mean ± SD 27.0 ± 11.2 27.4 ± 10.5 1.0 (1.0–1.0) 0.659
Construction workers, n/N (%) 107/228 (46.9) 461/838 (55.0) 0.7 (0.6–1.0) 0.046*
Born in Goa, n/N (%) 30/228 (13.2) 96/838 (11.5) 1.2 (0.8–1.9) 0.337
Born in SW India, n/N (%) 56/228 (24.6) 187/838 (22.3) 1.1 (0.8–1.6) 0.475
Born in E India, n/N (%) 134/228 (58.8) 545/838 (65.0) 0.8 (0.6–1.1) 0.103
% Parasitaemia, Mean ± SD 1.3 ± 2.7 0.6 ± 0.7 1.6 (1.4–1.9) <0.001***
Temperature, C, Mean ± SD 38.1 ± 1.6 38.2 ± 1.4 1.0 (0.9–1.0) 0.642
High fever (>38.1 °C), n/N (%) 104/228 (45.6) 380/838 (45.3) 1.0 (0.8–1.4) 0.769
Severe fever (>38.9 °C), n/N (%) 71/228 (31.1) 235/838 (28.0) 1.2 (0.9–1.7) 0.266
Haemoglobin, g/dL, Mean ± SD 10.9 ± 2.6 11.6 ± 2.1 0.9 (0.8–0.9) <0.001***
Anaemia, n/N (%) 42/219 (19.2) 90/837 (10.8) 2.0 (1.3–2.9) 0.001**
Severe anaemia, n/N (%) 15/219 (6.8) 14/837 (1.7) 4.3 (2.0–9.2) <0.001***
Hospitalisation, n/N (%) 107/228 (46.9) 71/838 (8.5) 9.1 (6.4–13.0) <0.001***

* p < 0.05; ** p < 0.01; *** p < 0.001, $ excludes mixed-infection cases