Table 4

CQ Treatment failures by Day 28 (adjusted by genotyping), stratified by age group and study site

CQ
No. of treatment failure/Total of Patients (%) [95% CI]





0.5 – 4 years
≥ 5 years
All age

Tropical
Maevatanana
19/28 (67.9) [49.1–83.0]
9/24 (37.5) [20.1–57.8]
28/52 (53.8) [40.3–67.0]

Miandrivazo
10/16 (62.5) [37.6–83.2]
16/50 (32.0) [20.2–45.8]
26/66 (39.4) [28.2–51.5]
Highlands
Moramanga
10/26 (38.5) [21.5–57.9]
3/10 (30.0) [8.3–62.0]
13/36 (36.1) [21.8–52.6]

Tsiroanomandidy
13/21 (61.9) [40.2–80.5]
9/17 (52.9) [29.7–75.2]
22/38 (57.9) [41.9–72.7]
Sub-desert
Ejeda
14/20 (70.0) [47.7–86.8]
18/30 (60.0) [41.9–76.2]
32/50 (64.0) [50.1–76.4]

Ihosy
3/20 (15.0) [4.0–35.6]
8/38 (21.1) [10.3–36.1]
11/58 (19.0) [10.4–30.6]

CQ: Chloroquine. CI: Confidence Interval. Chi-square test for the comparison of two proportions

Ménard et al. Malaria Journal 2008 7:55   doi:10.1186/1475-2875-7-55