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Table 2 Turnaround time of combined TB-LAMP and Xpert MTB/RIF test compared to Xpert MTB/RIF test used alone

From: A cost–benefit algorithm for rapid diagnosis of tuberculosis and rifampicin resistance detection during mass screening campaigns

Regions

Prisons

Sputum samples

TB-LAMP

Xpert MTB/RIF

Total time required for bacteriological analysis using integrated TB- LAMP and Xpert (h)

Time required for Xpert MTB/RIF analysis used alone (h)

Saved time (h)

Percentage (%)

Time used for analysis (h)

Positive cases

Number of sputum samples

RR-TB positive cases

Time used for analysis (h)

Adamaoua

Ngaoundéré

186

22.40

15

15

0

9

31.40

105.75

74.35

70.31

Meigangan

70

8

4

4

0

2.25

10.25

40.50

30.25

74.69

Total

2

256

30

19

19

0

11.25

41.65

146.25

104.60

71.52

Center

Nkodengui

483

56

30

30

1

18

74.00

272.25

198.25

72.82

Mbalmayo

139

16

5

5

0

4.5

20.50

78.75

58.25

73.97

Bafia

45

6.40

1

1

0

2.25

8.65

27.00

18.35

67.96

Monatele

82

9.60

6

6

0

4.5

14.10

47.25

33.15

70.16

Eseka

27

3.20

0

0

0

0

3.20

15.75

12.55

79.68

Sa'a

150

17.60

2

2

0

2.25

19.85

85.50

65.65

76.78

Ntui

79

9.60

4

4

0

2.25

11.85

45.00

33.15

73.67

Akonolinga

57

8

1

1

0

2.25

10.25

33.75

23.50

69.63

Mfou

121

14.40

2

2

0

2.25

16.65

69.75

53.10

76.13

Ngoumou

127

16

1

1

0

2.25

18.25

72.00

53.75

74.65

Nanga Eboko

192

22.40

5

5

2

4.5

26.90

108.00

81.10

75.09

Total

12

1502

179.20

57

57

3

45

224.20

855.00

630.80

73.78

East

Bertoua

178

20.80

5

5

0

4.5

25.30

101.25

75.95

75.01

Yokadouma

40

4.80

0

0

0

0

4.80

22.50

17.70

78.67

Messamena

48

6.40

0

0

0

0

6.40

27.00

20.60

76.30

Batouri

106

12.80

2

2

0

2.25

15.05

60.75

45.70

75.23

Total

4

372

44.80

7

7

0

6.75

51.55

211.50

159.95

75.63

Far-North

Mokolo

17

3.20

1

1

0

2.25

5.45

11.25

5.80

51.56

Kaele

36

4.80

1

1

0

2.25

7.05

20.25

13.20

65.19

yagoua

70

8

1

1

0

2.25

10.25

40.50

30.25

74.69

Kousseri

103

12.80

4

4

0

2.25

15.05

58.50

43.45

74.27

Total

4

226

28.80

7

7

0

9

37.80

130.50

86.90

66.59

Littoral

Nkongsamba

239

28.80

3

3

0

2.25

31.05

135.00

103.95

77.00

Mbanga

132

16

5

5

0

4.5

20.50

74.25

53.75

72.39

Edéa

255

30.40

4

4

0

2.25

32.65

144.00

111.35

77.33

Total

3

626

75.20

12

12

0

9

84.20

353.25

269.05

76.16

North

Poli

98

11.20

0

0

0

0

11.20

56.25

45.05

80.09

Guider

143

17.60

6

6

0

4.5

22.10

81.00

58.90

72.72

Total

2

241

28.80

6

6

0

4.5

33.30

137.25

103.95

75.74

Sud

Sangmelima

44

6.40

5

5

0

4.5

10.90

24.75

13.85

55.96

Ebolowa

55

6.40

3

3

0

2.25

8.65

31.50

22.85

72.54

Kribi

130

16

3

3

0

2.25

18.25

74.25

56.00

75.42

Djoum

41

4.80

0

0

0

0

4.80

24.75

19.95

80.61

Total

4

270

33.60

11

11

0

9

42.60

155.25

112.65

72.56

Ouest

Mantoum

64

8.00

0

0

0

0

8.00

18

10.00

55.56

Bagangté

40

5

0

0

0

0

4.80

10.8

6.00

55.56

Bafang

29

4.80

3

3

0

2.25

7.05

15.86

8.81

55.56

Foumban

46

6.40

1

1

0

2.25

8.65

19.46

10.81

55.56

Total

4

179

24.00

4

4

0

4.5

28.50

64.13

35.63

55.56

 

34

3672

444.80

123

123

3

90

543.80

2053.13

1503.53

73.23

Villages at the East Region

Ndokayo Health Area

176

20.80

3

3

0

2.25

23.05

99.00

75.95

76.72

Tongo Gandima Health Area

167

19.20

6

6

0

4.50

23.70

94.50

70.80

74.92

Ouami Health Area

60

8

3

3

0

2.25

10.25

33.75

23.50

69.63

Total

3

403

48

12

12

0

9.00

57.00

227.25

170.25

74.92

  1. TB-LAMP loop-mediated isothermal amplification assay for tuberculosis