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Demographics for study participants
| Study subjects | Controls | SLE | SSc | |||
|---|---|---|---|---|---|---|
| n | Age range (mean) yrs | n | Age range (mean) yrs | n | Age range (mean) yrs | |
| Male | 12 | 20-51 (35) | 5 | 22-66 (45) | 3 | 48-56 (51) |
| Female | 28 | 22-53 (36) | 25 | 22-63 (42) | 27 | 32-60 (47) |
| Total | 40 | 20-53 (38) | 30 | 22-66 (42) | 30 | 32-60 (48) |
