Table 4: Relative sensitivity indices (RSI) of P. falciparum cyclically exposed to Artemisia annua blend at IC₉₀ and tested against (i) artemisinin, (ii) A. annua blend and (iii) chloroquine.

Cycles	ART Mean ± SE	Blend Mean ± SE	CQ Mean ± SE
RSI cycle 10	1.28 ± 0.06^a	1.06 ± 0.04^b	1.01 ± 0.02^b
RSI cycle 20	14.40 ± 0.63^b	0.11 ± 0.01^a	1.09 ± 0.04^b
RSI cycle 30	19.25 ± 3.25^b	0.67 ± 0.10^b	0.10 ± 0.02^a
RSI cycle 40	36.38 ± 0.40^c	5.37 ± 0.33^c	0.15 ± 0.01^a
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).