Table 2.
Patient Characteristics by chart abstracted current ACR-FS grade.
| ACR Current Grade | |||||
|---|---|---|---|---|---|
| I (n = 24) |
II (n = 35) |
III or IV (n = 43) |
P- Value |
||
| Current Age | 52.3 (14.5) | 56.5 (13.1) | 59.0 (15.4) | 0.195 | |
|
| |||||
| Age at Diagnosis | 44.8 (14.1) | 50.0 (13.6) | 53.4 (14.1) | 0.057 | |
|
| |||||
|
Duration of active disease from
diagnosis (months) |
19.0 (19.5) | 36.5 (57.6) | 44.6 (41.7) | 0.174 | |
|
| |||||
|
Total observation period for prednisone (months) a |
36.9 (22.9) N =23 |
39.6 (39.7) N =35 |
27.8 (26.6) N =41 |
0.243 | |
|
| |||||
|
Total number of months on prednisone
(months) a |
22.6 (22.8) N =23 |
25.2 (31.9) N =35 |
16.1 (21.5) N =41 |
0.296 | |
|
| |||||
| Sex | Female | 18 (27%) | 23 (34%) | 26 (39%) | 0.515 |
| Male | 6 (17%) | 12 (34%) | 17 (49%) | ||
|
| |||||
| Race | White | 21 (24%) | 31 (36%) | 35 (40%) | 0.723 |
| Non-White | 3 (20%) | 4 (27%) | 8 (53%) | ||
|
| |||||
| Myositis Type | PM (N =39) |
5 (13%) | 15 (38%) | 19 (49%) | 0.074 |
| DM (N =35) |
13 (37%) | 12 (34%) | 10 (29%) | ||
| SIBM (N =15) |
1 (7%) | 5 (33%) | 9 (60%) | ||
| OM (N =13) |
5 (38%) | 3 (24%) | 5 (38%) | ||
|
| |||||
| Clinic of Origin | Rheumatology (N =61) |
16 (26%) | 24 (40%) | 21 (34%) | 0.158 |
| Neurology (N =41) |
8 (19%) | 11 (27%) | 22 (54%) | ||
|
| |||||
| Clinical Course Defined | Monocyclic (N =12) |
6 (50%) | 4 (33%) | 2 (17%) | 0.469 |
| Chronic polycyclic (N =42) |
11 (26%) | 15 (36%) | 16 (38%) | ||
| Chronic continuous (N =19) |
2 (10%) | 6 (32%) | 11 (58%) | ||
| Undefined (N = 29) |
5 (17%) | 10 (34%) | 14 (48%) | ||
Percents are row percents.
P-values were obtained using Fischer’s exact tests for categorical variables and ANOVA for continuous variables.
Continuous variables are presented as Means (SD). Categorical variables are presented as Counts (%).
a
Patients who were not treated with prednisone were excluded from the analysis