Skip to main content

Table 1 Characteristics of study cohorts

From: The effect of declining exposure on T cell-mediated immunity to Plasmodium falciparum – an epidemiological “natural experiment”

Variable Ngerenya Junju
Total number 44 44
Sex (%)
 Male 26 (59) 18 (41)
 Female 20 (45) 24 (55)
Age (years)
 Mean (95 % CI) 11.09 (10.66–11.51) 11.16 (10.75–11.57)
 Range 7.16–12.94 7.35–12.99
Total no. of previous P. falciparum episodes
 Mean (95 % CI) 2.64 (2.01–3.26) 4.48 (3.35–5.60)
 Range 1–9 1–16
Time since last episode (mo)
 Median (IQR) 105.8 (78.17–112.5) 12.1 (4.2–36.67)
 Range 3.23–143.6 2.03–83.1
P. falciparum infection status at sampling (% positive)
 By blood smear 1 (2.2) 11 (25)
 By PCR 1 (2.2) 15 (34)