Table 1

Characteristics of Women With and Without CDM at Delivery and by CDM Subtype

CDM
(n = 2,078)
No CDM
(n = 4,438,439)
p ValueHypertrophic CDM
(n = 52)
Peripartum CDM
(n = 1,039)
Other CDM
(n = 987)
p Value
Age (yrs)29.7 ± 6.627.5 ± 6.2<0.00128.4 ± 5.229.1 ± 6.930.3 ± 6.2<0.001
Race<0.0010.009
 White770 (47.86%)1,804,375 (51.18%)32 (69.57%)388 (47.26%)350 (47.17%)
 Black497 (30.89%)487,729 (13.84%)6 (13.04%)248 (30.21%)243 (32.75%)
 Hispanic215 (13.36%)857,133 (24.31%)4 (8.7%)129 (15.71%)82 (11.05%)
 Asian49 (3.05%)174,824 (4.96%)1 (2.17%)23 (2.8%)25 (3.37%)
 Other race78 (4.85%)201,262 (5.71%)3 (6.52%)33 (4.02%)42 (5.66%)
Insurance<0.001<0.001
 Private including HMO834 (40.19%)2,206,374 (49.8%)29 (55.77%)395 (38.13%)410 (41.54%)
 Medicare90 (4.34%)28,606 (0.7%)0 (0%)27 (2.61%)63 (6.38%)
 Medicaid1,009 (48.63%)1,902,309 (42.9%)21 (40.38%)540 (52.12%)448 (45.39%)
 Other insurance142 (6.84%)293,672 (6.6%)2 (3.85%)74 (7.14%)66 (6.69%)
Valvular disease278 (13.38%)20,509 (0.46%)<0.00110 (19.23%)141 (13.6%)127 (12.9%)0.408
Diabetes mellitus109 (5.25%)40,453 (0.91%)<0.0010 (0.0%)48 (4.6%)61 (6.2%)0.066
Multiple gestation107 (5.15%)82,731 (1.86%)<0.0012 (3.8%)73 (7.0%)32 (3.2%)<0.001
Teaching hospital1,373 (66.98%)2,091,820 (47.5%)<0.00139 (75.0%)659 (63.4%)675 (68.4%)0.0064
U.S. hospital region<0.001<0.001
 Northeast324 (15.59%)685,204 (15.44%)17 (32.7%)170 (16.4%)137 (12.9%)
 Midwest481 (23.15%)935,474 (21.08%)14 (27.0%)202 (19.4%)265 (26.8%)
 South923 (44.42%)1,699,122 (38.28%)10 (19.2%)503 (48.4%)410 (41.5%)
 West350 (16.84%)1,118,639 (25.2%)11 (21.2%)164 (15.8%)175 (17.7%)
Transient hypertension111 (5.34%)139,398 (3.1%)<0.0012 (3.9%)76 (7.3%)33 (3.3%)<0.001
Pre-eclampsia status<0.001<0.001
 Mild pre-eclampsia143 (7.5%)100,251 (2.3%)1 (1.9%)101 (9.7%)41 (4.2%)
 Severe pre-eclampsia215 (10.35%)54,898 (1.2%)0 (0.0%)157 (15.1%)58 (5.9%)
 Eclampsia23 (1.1%)3,358 (0.1%)0 (0.0%)22 (2.1%)1 (0.1%)
 Pre-eclampsia/eclampsia with pre-existing HTN157 (7.6%)21,453 (0.5%)0 (0.0%)81 (7.8%)76 (7.7%)
Postpartum hemorrhage126 (6.06%)118,439 (2.7%)<0.0010 (0.0%)86 (8.3%)40 (4.05%)<0.001
Cesarean delivery1,144 (55.05%)1,398,686 (31.51%)<0.00125 (48.1%)641 (61.7%)478 (48.4%)<0.001

Values are mean ± SD or n (%).

CDM = cardiomyopathy; HMO = health maintenance organization; HTN = hypertension.

  • In the “other CDM” category, 92% (n = 909) of these patients were classified as having dilated cardiomyopathy.