Table 1 Socio-demographic features of the total 244 patients and univariate analysis by subgroups
From: Prevalence of submicroscopic malaria infection in immigrants living in Spain
Frequency, n (%) | Total N = 244 | Patients with submicroscopic malaria N = 14 | Negative patients N = 230 | P value* |
|---|---|---|---|---|
Age [years], median (IQRa) | 41 (33–48) | 41 (32–45) | 41 (23–48) | 0.742 |
Gender, male, n (%) | 132 (54.1%) | 8 (57.1%) | 124 (53.9%) | 1.000 |
Sub-Saharan origin, n (%) | 224 (91.8%) | 14 (100%) | 210 (91.3%) | 1.000 |
Time of residence in Spain [years], median (IQR) | 11.1 (5.7–16.2) | 8.9 (4.3–12.9) | 11.3 (6.0–16.3) | 0.163 |
Travels to endemic area since first arrival in Spain (yes/no), n (%) | 86 (35.3) | 7 (50.0) | 79 (34.4) | 0.257 |
Anti-malarial chemoprophylaxisa, n (%) | 14/86 (16.3) | 1/7 (14.3) | 13/79 (16.5) | 1.000 |
Time from last travel to endemic areab [months], median (IQR) | 6.2 (3.5–9.4) | 4.0 (3.4–6.0) | 6.6 (3.5–9.5) | 0.170 |
Previous malaria, n (%) | 104 (42.6) | 6 (42.9) | 98 (42.6) | 0.160 |