Table 1.

Villages with the highest and lowest annual parasite incidence (API: cases × 1,000/year-person) during 2001–2007 in northeastern Venezuela^*

Year	API (95% CI)	Village with highest API	Village with lowest API	Relative risk (highest/lowest) (95% CI)
2001	45 (33–60)	174.3	2.5	69.7 (55–88)
2002	164 (140–192)	545.5	65.1	8.4 (4–16)
2003	44 (32–59)	154.8	2.9	53.4 (40–70)
2004	32 (22–45)	131.0	10.9	12.0 (6–21)
2005	29 (19–42)	100.0	4.7	21.3 (13–32)
2006	19 (11–30)	60.7	3.0	20.2 (12–31)
2007	10 (5–18)	35.7	1.0	35.7 (25–50)

^*CI = confidence interval.