Table 2 Mother and newborn demographic and clinical characteristics
Treated hemolytic NHB cohort (N = 1,373) | Matched non-NHB cohort (N = 1,373) | p-value3 | |
|---|---|---|---|
Mothers | |||
Age on delivery (year), mean (SD) | 32.2 (4.63) | 32.1 (4.43) | 0.401 |
Geographic region, n (%) | 0.394 | ||
Northeast | 289 (21.0) | 285 (20.8) | |
Midwest | 503 (36.6) | 494 (36.0) | |
South | 363 (26.4) | 368 (26.8) | |
West | 212 (15.4) | 218 (15.9) | |
Other/Unknown1 | 6 (0.4) | 8 (0.6) | |
Health Plan type, n (%) | 0.928 | ||
HMO | 270 (19.7) | 262 (19.1) | |
PPO | 831 (60.5) | 845 (61.5) | |
CDHP | 272 (19.8) | 266 (19.4) | |
Modified Deyo-Charlson Comorbidity Index2, mean (SD) | 0.1 (0.47) | 0.1 (0.40) | 0.274 |
Gestational diabetes, n (%) | 239 (17.4) | 222 (16.2) | 0.367 |
C-section, n (%) | 399 (29.1) | 399 (29.1) | _ |
Newborns | |||
Gender, n (%) | _ | ||
Male | 667 (48.6) | 667 (48.6) | |
Female | 706 (51.4) | 706 (51.4) | |
Estimated gestational age, n (%) | _ | ||
35–37 weeks | 250 (18.2) | 250 (18.2) | |
> 37 weeks | 1,123 (81.8) | 1,123 (81.8) | |
Year of birth, n (%) | < 0.001 | ||
2011 | 217 (15.8) | 217 (15.8) | |
2012 | 211 (15.4) | 195 (14.2) | |
2013 | 187 (13.6) | 206 (15.0) | |
2014 | 197 (14.3) | 239 (17.4) | |
2015 | 228 (16.6) | 239 (17.4) | |
2016 | 208 (15.1) | 188 (13.7) | |
2017 | 125 (9.1) | 89 (6.5) | |