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Table 2 SNPs detected in pfdhfr and pfdhps genes over the years

From: Temporal evolution of the resistance genotypes of Plasmodium falciparum in isolates from Equatorial Guinea during 20 years (1999 to 2019)

Year

(N)

Pfdhfr gene SNPs

Pfdhps gene SNPs

51I

59R

108 N

437G

540E

581G

N (%)

95% CI

N (%)

95% CI

N (%)

95% CI

N (%)

95% CI

N (%)

95% CI

N (%)

95%CI

1999 (N = 60)

51 (58%)

88.64–99.08

56 (93.3%)

84.07–97.38

56 (93.3%)

88.64–99.08

30 (50%)

37.74–62.24

4 (6.6%)

2.62–15.93

3 (5%)

1.71–13-70

2001 (N = 102)

95 (93.1%)

86.51–96.64

88 (86.3%)

78.27–91.64

83 (81.4%)

72.73–87.74

62 (60.7%)

51.08–69.70

0

0–3.63

0

0–3.63

2004/5 (N = 262)

255 (93.3%)

94.59–98.70

259 (98.8%)

96.69–99.61

257 (98.1%)

95.61–99.18

158 (60.3%)

54.27–66.04

0

0–3.63

0

0–3.63

2006 (N = 158)

150 (94.9%)

90.33–97.41

151 (95.5%)

91.14–97.84

158 (100%)

97.63–100

44 (27.8%)

21.45–35.3

4 (2.5%)

0.99–6.33

0

0–2.37

2011 (N = 163)

159 (97.5%)

93.86–99.04

159 (97.5%)

93.86–99.04

163 (100%)

97.7–100

136 (93.4%)

76.97–88.36

9 (5.5%)

2.93–10.16

3 (1.8%)

0.63–5.27

2013 (N = 170)

168 (98.8%)

95.81–99.68

167 (98.2%)

94.94–99.4

168 (98.8%)

95.81–99.68

149 (87.6%)

81.85–91.78

26 (15.3%)

10.66–21.47

1 (0.58%)

0.10–3.26

2016 (N = 169)

169 (100%)

97.78–100

149 (88.2%)

82.43–92.21

168 (98.8%)

95.81–99.68

156 (92.3%)

87.29–95.45

23 (13.6%)

9.24–19.59

5 (3%)

1.27–6.74

2019 (N = 139)

135 (97.1%)

92.83–98.88

131 (94.2%)

89.05–97.06

139 (100%)

97.31–100

130 (93.5%)

88.15–96.56

51 (36.6%)

29.14–44.96

2 (1.4%)

0.4–5.09

p-value

4.9e−7

 

7e−

 

0

 

0

 

0

 

0.0053

 
  1. ≤ 0.05 is taken as significance value
  2. All SNPs detected in pfdhfr and pfdhps in the different years included in the study are described. Frequencies, 95% CIs and p-values are indicated