Frequency distribution and mean values of CAG repeat lengths in RA patients by onset age group and sex
| Number of CAG repeats | Men RA | Women RA | |||||
|---|---|---|---|---|---|---|---|
| age at onset | age at onset | ||||||
| <55 y (46 alleles) Number (%) | ⩾55 y (44 alleles) Number (%) | <46 y (278 alleles) Number (%) | ⩾46 y (274 alleles) Number (%) | ||||
| 12 | 1 (2.2) | 0 (0.0) | 2 (0.7) | 2 (0.7) | |||
| 13 | 1 (2.2) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| 14 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| 15 | 1 (2.2) | 0 (0.0) | 2 (0.7) | 0 (0.0) | |||
| 16 | 0 (0.0) | 0 (0.0) | 1 (0.4) | 3 (1. 1) | |||
| 17 | 2 (4.3) | 0 (0.0) | 6 (2.2) | 2 (0.7) | |||
| 18 | 0 (0.0) | 1 (2.3) | 4 (1.4) | 7 (2.6) | |||
| 19 | 3 (6.5) | 1 (2.3) | 18 (6.5) | 17 (6.2) | |||
| 20 | 6 (13.0) | 4 (9.1) | 20 (7.2) | 16 (5.8) | |||
| 21 | 6 (13.0) | 8 (18.2) | 39 (14.0) | 37 (13.5) | |||
| 22 | 7 (15.2) | 3 (6.8) | 38 (13.7) | 37 (13.5) | |||
| 23 | 3 (6.5) | 8 (18.2) | 50 (18.0) | 60(21.9) | |||
| 24 | 7 (15.2) | 5 (11.4) | 28 (10.1) | 34 (12.4) | |||
| 25 | 4 (8.7) | 6 (13.6) | 26 (9.4) | 18 (6.6) | |||
| 26 | 3 (6.5) | 3 (6.8) | 19 (6.8) | 20 (7.3) | |||
| 27 | 0 (0.0) | 4 (9.1) | 10 (3.6) | 8 (2.9) | |||
| 28 | 1 (2.2) | 1 ( 2.3) | 10 ( 3.6) | 8 (2.9) | |||
| 29 | 0 (0.0) | 0 (0.0) | 4 (1.4) | 3 (1.1) | |||
| 30 | 1 (2.2) | 0 (0.0) | 1 (0.4) | 2 (0.7) | |||
| 31 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| 32 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Mean | 21.8 | 23.2 | 22.7 | 22.7 | |||
| 95%C1 for difference2-150 | 0.37, 2.35 | −1.15, 0.86 | −0.18, 0.70 | −0.28, 0.64 | |||
| p value | 0.007 | 0.77 | 0.25 | 0.43 | |||
↵2-150 Compared with controls (same sex and same age range).