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. 2005 Oct;49(10):4393–4395. doi: 10.1128/AAC.49.10.4393-4395.2005

TABLE 3.

PRR at 48 h and treatment failure rates in relation to multiple mutations in Pvdhfr and Pvdhps

Gene(s) Median PRR at 48 h (range)
P valuea No. of treatment failures/total (%)
P valueb
≥4 Pvdhfr mutations, 2 Pvdhps mutations <4 Pvdhfr mutations, <2 Pvdhps mutations ≥4 Pvdhfr mutations, 2 Pvdhps mutations <4 Pvdhfr mutations, <2 Pvdhps mutations
Pvdhfr 2.5 (0.3-29) 13 (2-1,500) 0.003 6/11 (55) 5/21 (24) 0.123
Pvdhps 8.8 (0.33-1,500) 11.2 (2-1,500) 0.637 6/16 (38) 5/16 (31) 0.710
Both 2.5 (0.3-29) 12.3 (2-1,500) 0.013 6/9 (67) 5/23 (22) 0.035
a

Determined by Kruskal-Wallis test.

b

Determined by Fisher's exact test.