Table 1 Demographic characteristics of EWS patients
Variable | Unmatched | p-value | Propensity score (1:1)-matched | p-value | ||
|---|---|---|---|---|---|---|
Patients ≤ 40 (n = 4058) | Patients > 40 (n = 542) | Patients ≤ 40 (n = 542) | Patients > 40 (n = 542) | |||
Age (mean (SD)) | 17.31 (8.09) | 54.52 (11.51) | < 0.001 | 17.65 (8.13) | 54.60 (11.49) | < 0.001 |
Sex, n (%) | ||||||
 Male | 2628 (61.4) | 351 (60.1) | 0.546 | 351 (50.0) | 351 (50.0) | 1.000 |
 Female | 1652 (38.6) | 233 (39.9) | 233 (50.0) | 233 (50.0) | ||
Race, n (%) | ||||||
 White | 3575 (90.0) | 495 (92.4) | 0.047 | 531 (90.9) | 531 (90.9) | 1.000 |
 Black | 127 (3.4) | 22 (4.1) | 24 (4.1) | 24 (4.1) | ||
 Asian | 144 (3.6) | 11 (2.1) | 15 (2.5) | 15 (2.5) | ||
 Other | 118 (3.0) | 8 (1.5) | 14 (2.4) | 14 (2.4) | ||
Insurance status, n (%) | ||||||
 Uninsured | 177 (4.2) | 22 (3.5) | < 0.001 | 19 (3.3) | 22 (3.8) | < 0.001 |
 Private insurance | 2847 (66.6) | 370 (64.0) | 393 (67.3) | 370 (63.4) | ||
 Medicaid | 989 (22.8) | 57 (9.2) | 133 (22.8) | 57 (9.0) | ||
 Medicare | 54 (1.3) | 115 (19.6) | 8 (1.4) | 115 (19.7) | ||
 Other | 213 (5.1) | 20 (3.7) | 31 (5.3) | 20 (3.4) | ||
Median income quartile, n (%) | ||||||
 < $30,000 | 424 (9.9) | 55 (9.4) | 0.023 | 61 (10.4) | 55 (9.4) | 0.259 |
 $30,000–$34,999 | 552 (12.9) | 58 (9.9) | 72 (12.3) | 58 (9.9) | ||
 $35,000–$45,999 | 1938 (45.3) | 251 (43.0) | 260 (44.5) | 251 (43.0) | ||
 ≥ $46,000 | 1366 (31.9) | 220 (37.7) | 191 (32.7) | 220 (37.7) | ||