Table 3.
Characteristics of patients who had their second medical claim associated with ILD >1 yr versus ≤1 yr prior to their SSc index date (Optum ICD-9-CM and ICD-10-CM cohorts combined).
| ILD at any time prior to SSc (n = 232) | ILD >1 yr prior to SSc (n = 134) | ILD ≤1 yr prior to SSc (n = 98) | P value* | |
|---|---|---|---|---|
| Age, yr, mean (SD) | 66.0 (12.2) | 65.5 (11.9) | 66.7 (12.6) | .47 |
| Female, n (%) | 182 (78.4) | 111 (82.8) | 71 (72.4) | .06 |
| Race, n (%) | 1.00 | |||
| White | 152 (65.5) | 88 (65.7) | 64 (65.3) | |
| Black | 38 (16.4) | 22 (16.4) | 16 (16.3) | |
| Hispanic | 26 (11.2) | 15 (11.2) | 11 (11.2) | |
| Asian | 4 (1.7) | 2 (1.5) | 2 (2.0) | |
| Missing | 12 (5.2) | 7 (5.2) | 5 (5.1) |