Distribution of age-specific percentiles of serum AMH levels in women with rheumatoid arthritis from the PARA study, grouped by serology and erosions
| ACPA† | RF† | Erosions†,‡ | Total group | ||||
|---|---|---|---|---|---|---|---|
| Neg | Pos | Neg | Pos | No | Yes | ||
| (n=50) | (n=78) | (n=43) | (n=85) | (n=48) | (n=77) | (n=128) | |
| First AMH measurement | |||||||
| <P10 | 7 (14%) | 13 (17%) | 5 (12%) | 15 (18%) | 5 (10%) | 15 (19%) | 20 (16%) |
| P10–P50 | 18 (36%) | 31 (40%) | 14 (33%) | 35 (41%) | 17 (35%) | 32 (42%) | 49 (38%) |
| P50–P90 | 22 (44%) | 30 (38%) | 21 (49%) | 31 (36%) | 24 (50%) | 26 (34%) | 52 (51%) |
| >P90 | 3 (6.0%) | 4 (5.1%) | 3 (7.0%) | 4 (4.7%) | 2 (4.2%) | 4 (5.2%) | 7 (5%) |
| Last AMH measurement | |||||||
| <P10 | 15 (30%) | 35 (45%) | 12 (28%) | 38 (45%) | 15 (31%) | 34 (44%) | 50 (39%) |
| P10–P50 | 10 (20%) | 17 (22%) | 6 (14%) | 21 (25%) | 11 (23%) | 16 (21%) | 27 (21%) |
| P50–P90 | 23 (46%) | 20 (26%) | 20 (47%) | 23 (27%) | 21 (44%) | 20 (26%) | 43 (34%) |
| >P90 | 1 (2.0%) | 4 (5.1%) | 2 (4.7%) | 3 (3.5%) | 1 (2.1%) | 4 (5.2%) | 5 (4%) |
| NA | 1 (2.0%) | 2 (2.6%) | 3 (7.0%) | – | – | 3 (3.9%) | 3 (2%) |
†At baseline.
‡The presence or absence of erosions were missing for n=3 subjects.
ACPA, anti-citrullinated protein antibodies; AMH, anti-Müllerian hormone; PARA, pregnancy-induced amelioration of RA; RF, rheumatoid factor.
Values are given as n(%).