TABLE 1

Admissions of NAS in the United States

NAS, n (%)Non-NAS, n (%)Patients Missing Data, n (%)P
Sex2313 (0.1)<.001
 Male17 164 (53.5)2 023 576 (51.4)
 Female14 935 (46.5)1 912 077 (48.6)
Race409 546 (10.3)<.001
 White23 027 (80.4)1 820 343 (51.5)
 African American1972 (6.9)515 017 (14.6)
 Hispanic2021 (7.1)716 665 (20.3)
 Other1630 (5.7)479 844 (13.6)
Region of hospital0 (0.0)<.001
 Northeast6960 (21.7)627 387 (15.9)
 Midwest6719 (20.9)841 516 (21.4)
 South13 583 (42.3)1 536 954 (39.0)
 West4867 (15.1)932 079 (23.7)
Primary expected payer4647 (0.1)<.001
 Medicaid26 886 (83.8)1 796 861 (45.7)
 Private3143 (9.8)1 827 682 (46.5)
 Others2055 (6.4)308 791 (7.8)
Household income, percentile41 491 (1.0)<.001
 0–25th12 706 (40.2)1 111 519 (28.5)
 25th–50th8765 (27.7)958 715 (24.6)
 50th–75th6465 (20.5)966 964 (24.8)
 75th–100th3651 (11.6)859 789 (22.1)
  • —, not applicable.