Table 1: Relative sensitivity indices (RSI) of P. falciparum cyclically exposed to artemisinin at IC₅₀ and tested with (i) artemisinin, (ii) A. annua blend and (iii) chloroquine.

Cycles	ART Mean ± SE	Blend Mean ± SE	CQ Mean ± SE
RSI cycle 10	1.81 ± 0.83^a	0.09 ± 0.01^a	1.01 ± 0.03^a
RSI cycle 20	2.42 ± 0.84^a	0.09 ± 0.01^a	1.13 ± 0.10^b
RSI cycle 30	22.66 ± 2.95^b	1.89 ± 0.14^b	0.87 ± 0.01^a
RSI cycle 40	26.45 ± 0.87^b	0.07 ± 0.00^a	1.43 ± 0.03^c
p-value	< 0.001	< 0.001	< 0.001

Mean ± SE followed by the same letter(s) within the same column do not differ significantly from one another (One-way ANOVA, SNK-test, α = 0.05).