From: Familial Mediterranean fever is no longer a rare disease in Japan
 |  | FMF | Non-FMF |  | |||
---|---|---|---|---|---|---|---|
 |  | Sure | Probable | Newly-diagnosed rheumatic diseases | Established rheumatic diseases | Others | Healthy subjects |
 |  | 2n = 216 | 2n = 168 | 2n = 136 | 2n = 236 | 2n = 446 | 2n = 210 |
Exon10 | M694I | 52 (24.1Â %) | 0 | 0 | 0 | 0 | 0 |
 | P751L | 1 (0.5 %) | 0 | 0 | 0 | 0 | 0 |
 | G632S | 0 | 1 (0.6 %) | 0 | 0 | 0 | 0 |
Exon3 | R410H | 1 (0.5Â %) | 0 | 0 | 0 | 1 (0.2Â %) | 0 |
 | R408Q | 8 (3.7 %) | 23 (13.7 %) | 4 (2.9 %) | 9 (3.8 %) | 32 (7.2 %) | 12 (5.7 %) |
 | P369S | 8 (3.7 %) | 25 (14.9 %) | 4 (2.9 %) | 10 (4.2 %) | 36 (8.1 %) | 13 (6.2 %) |
 | R354Q | 0 | 1 (0.6 %) | 0 | 0 | 0 | 0 |
Exon2 | G304R | 2 (0.9Â %) | 9 (5.4Â %) | 3 (1.8Â %) | 6 (2.4Â %) | 10 (2.2Â %) | 6 (2.9Â %) |
 | E225K | 0 | 1 (0.6 %) | 0 | 0 | 0 | 0 |
 | R202Q | 9 (4.2 %) | 8 (4.8 %) | 4 (2.9 %) | 6 (2.5 %) | 16 (3.6 %) | 6 (2.9 %) |
 | E148Q | 82 (38.0 %) | 68 (40.5 %) | 24 (17.6 %) | 59 (25.0 %) | 106 (23.8 %) | 52 (24.8 %) |
 | P115R | 0 | 0 | 1 (0.7 %) | 1 (0.4 %) | 0 | 0 |
 | L110P | 27 (12.5 %) | 18 (10.7 %) | 8 (5.9 %) | 18 (7.6 %) | 36 (8.1 %) | 15 (7.1 %) |
Exon1 | E84K | 4 (1.9Â %) | 8 (4.8Â %) | 1 (0.7Â %) | 2 (0.8Â %) | 8 (1.8Â %) | 2 (1.0Â %) |
 | R80H | 0 | 0 | 0 | 0 | 1 (0.2 %) | 0 |