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Table 1 Allelic frequencies of the ASPN D repeat and CILP rs2073711 polymorphisms

From: Functional polymorphisms in asporin and CILP together with joint loading predispose to hand osteoarthritis

Alleles

All (N = 524)

Dentists (N = 285)

Teachers (N = 239)

N (cases)

%

N (cases)

%

N (cases)

%

ASPN D repeat

 D12

23 (2)

2.2

14 (1)

2.5

9 (1)

1.9

 D13

555 (114)

53.0

310 (45)

54.4

245 (69)

51.3

 D14

172 (35)

16.4

101 (20)

17.7

71 (15)

14.9

 D15

190 (46)

18.1

86 (21)

15.1

104 (25)

21.8

 D16

65 (11)

6.2

33 (4)

5.8

32 (7)

6.7

 D17

26 (4)

2.5

18 (3)

3.2

8 (1)

1.7

 D18

17 (2)

1.6

8 (2)

1.4

9 (0)

1.9

CILP rs2073711

All (N = 529)

Dentists (N = 288)

Teachers (N = 241)

 

N (cases)

%

N (cases)

%

N (cases)

%

 T

435 (92)

41.1

233 (42)

40.4

202 (50)

41.9

 C

623 (124)

58.9

343 (54)

59.6

280 (70)

58.1

 CC

180 (33)

34.0

106 (17)

36.6

74 (16)

30.7

 CT

263 (58)

48.4

131 (20)

45.5

132 (38)

54.8

 TT

86 (17)

16.3

51 (11)

17.7

35 (6)

14.5

  1. Fisher’s exact probability test was used to compare allele frequencies between dentists and teachers and a chi-square test was used to compare genotype frequencies between dentists and teachers