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Table 3 Demographic differences in reporting the dense fine speckled (AC-2) and the rods and rings pattern (AC-23), with results shown and presented as percentage (%) of the total responders % per geographic continent

From: Current laboratory and clinical practices in reporting and interpreting anti-nuclear antibody indirect immunofluorescence (ANA IIF) patterns: results of an international survey

a) Dense fine speckled (AC-2)

 

Laboratory professionals

Clinicians

 

Total

Competent

Expert

 

Continent

n

Reporting (%)

n

Reporting (%)

n

Reporting (%)

n

Reporting (%)

Africa

8

6 (75.0%)a

5

3 (60.0%)

3

3 (100%)

0

n.a

Asia

59

46 (78.0%)b

33

22 (66.7%)

26

24 (92.3%)

9

5 (55.6%)

Australia

6

5 (83.3%)c

1

0 (0.0%)

5

5 (100%)

2

1 (50.0%)

Europe

251

143 (57.0%)

118

48 (40.7%)

133

95 (71.4%)

143

78 (54.5%)

North Amercia

36

16 (44.4%)

17

7 (41.2%)

19

9 (47.4%)

7

2 (28.6%)

South America

61

46 (75.4%)d

30

18 (60.0%)

31

28 (90.3%)

11

8 (72.7%)

Total

421

262 (62.2%)

204

98 (48.0%)

217

164 (75.6%)

172

94 (54.7%)

b) Rods and rings (AC-23)

 

Laboratory

Clinicians

 

Total

Competent

Expert

 

Continent

n

Reporting (%)

n

Reporting (%)

n

Reporting (%)

n

Reporting (%)

Africa

10

8 (80.0%)

6

5 (83.3%)

4

3 (75.0%)

0

n.a

Asia

59

45 (76.3%)

33

23 (69.7%)

26

22 (84.6%)

9

3 (33.3%)

Australia

5

1 (20.0%)

1

0 (0.0%)

4

1 (25.0%)

2

0 (0.0%)

Europe

247

149 (60.3%)

116

55 (47.4%)

131

94 (71.8%)

140

33 (23.6%)

North Amercia

36

22 (61.1%)

17

8 (47.1%)

19

14 (73.7%)

7

2 (28.6%)

South America

59

36 (61.0%)

30

15 (50.0%)

29

21 (72.4%)

11

3 (27.3%)

Total

416

261 (62.7%)

203

106 (52.2%)

213

155 (72.8%)

169

41 (24.3%)

  1. ap = 0.1217 versus North-America and p = 0.3115 versus Europe
  2. bp = 0.0009 versus North-America and p = 0.0030 versus Europe
  3. cp = 0.0813 versus North-America and p = 0.1985 versus Europe
  4. dp = 0.0022 versus North-America and p = 0.0084 versus Europe
  5. N.a. not applicable