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Table 2 Statistics for positive control data obtained in this study

From: Negative and positive control ranges in the bacterial reverse mutation test: JEMS/BMS collaborative study

Statistics

TA100

TA98

TA1535

TA1537

WP2uvrA

-S9

+S9

-S9

+S9

-S9

+S9

-S9

+S9

-S9

+S9

Positive control article and dose (μg/plate)

AF-2 (0.01)

2AA (1.0)

AF-2 (0.1)

2AA (0.5)

SA (0.5)

2AA (2.0)

9AA (80)

2AA (2.0)

AF-2 (0.01)

2AA (10)

No. of data

27

27

27

27

26

26

26

26

24

24

Mean

541

1028

481

386

376

265

331

167

133

650

SD

157.23

331.4

119.21

128.07

108.98

93.99

150.7

65.38

41.60

282.98

Min

336

521

217

166

135

93

121

61

74

200

Max

937

1656

684

611

593

488

671

368

243

1285

Kurtosis

0.13

−1.28

−0.30

−1.09

−0.03

−0.01

0.00

2.17

0.80

−0.23

Skewness

0.80

0.25

−0.45

0.05

−0.21

0.15

0.67

0.89

1.05

0.55

2SD-

226

365

243

130

158

77

29

36

50

84

2SD+

855

1691

719

643

594

453

632

298

216

1216

3SD-

69

34

123

2

49

−17

− 122

−29

8

−199

3SD+

1013

2022

839

771

703

547

783

363

258

1499

  1. Min minimum count, max maximum count, 2SD− mean − 2× standard deviation, 2SD+ mean + 2× standard deviation, 3SD− mean − 3× standard deviation, 3SD+ mean + 3× standard deviation, AF-2 2-(2-furyl)-3-(5-nitro-2-furyl) acrylamide, 2AA 2-aminoanthracene, SA sodium azide, 9AA 9-aminoacridine hydrochloride