Table 4

Reactivity profile of Sm-positive/dsDNA-positive sera

Sample ID

ALBIAa

ELISA

ELISA dsDNA

Crithidia luciliae dsDNA


RNP

Sm

RNP/Sm

SmD

SmD1

SmD3


25480

435

396

9.2

4.8

189.1

11.2

3.9

Positive

25719

217

212

2.1

0.9

188.9

4.4

5.1

Positive

25794

487

1126

7.4

5.6

192.0

7.7

1.8

Positive

26301

167

330

6.1

1.2

183.2

>100.0

2.1

Positive

26488

126

127

1.0

0.6

17.2b

0.5b

1.8

Positive

27224

265

607

7.8

4.5

190.1

88.2

2.9

Positive

27960

165

326

7.8

5.7

182.5

23.2

3.3

Positive

28077

250

527

9.0

5.6

182.0

73.7

4.8

Positive

28242

65

102

4.0

1.6

71.2

0.7

11.1

Positive

28746

143

169

4.3

2.6

181.3

1.1

9.2

Positive

29236

98

164

5.9

1.7

182

264

6.8

Positive

29354

450

225

4.0

2.1

32.4

4.2

12.1

Positive

29659

161

132

4.9

2.2

30.1

3.3

11.6

Positive

29861

496

205

8.9

4.5

19.2b

3.3b

1.6

Positive

29907

538

520

9.3

6.2

185.0

243.0

12.2

Positive

30015

376

632

9.6

7.1

184.3

>100.0

5.0

Positive

31349

83

149

8.2

4.2

193.5

46.8

10.7

Positive

34249

348

140

8.1

4.6

>200.0

13.4

5.1

Positive

35784

494

553

8.9

5.6

>200.0

>100.0

8.3

Positive

Number/number positive

19/19

19/19

18/19

16/19

14/19

9/19

19/19

19/19


aThe sample value in luminescence units(LU) can be classified as: negative, <20 LU; weak positive, 20–49 LU; moderate positive, 50–100 LU; strong positive, >100 LU.bdsDNA-positive/SmD-negative samples. ALBIA = Addressable laser bead assay.

Mahler et al. Arthritis Research & Therapy 2007 9:R68   doi:10.1186/ar2266

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