Table 3.
Severe Maternal Morbidity Rate by Demographics, Payer, and Public Health Region of Residence, Wisconsin, 2010–2014
| 25-Condition SMM | 24-Condition SMM | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Delivery With SMM |
Rate Per 10,000 Delivery (Hospitalizations (95% CI) |
Rate Ratio (95% CI) |
Delivery With SMM |
Rate Per 10,000 Delivery Hospitalizations (95% CI) |
Rate Ratio (95% CI) |
|
| Age | ||||||
| < 20 | 290 | 139.6 (123.6, 155.7) | 1.6 (1.4, 1.9) | 79 | 38.0 (29.6, 46.4) | 1.2 (0.9, 1.5) |
| 20–24 | 670 | 98.8 (91.3, 106.2) | 1.2 (1.0, 1.3) | 190 | 28.0 (24.0, 32.0) | 0.9 (0.7, 1.0) |
| 25–29 | 866 | 85.4 (79.7, 91.1) | Reference | 332 | 32.7 (29.2, 36.3) | Reference |
| 30–34 | 833 | 93.3 (87.0, 99.7) | 1.1 (1.0, 1.2) | 366 | 41.0 (36.8, 45.2) | 1.3 (1.1, 1.5) |
| 35–39 | 443 | 128.4 (116.5, 140.4) | 1.5 (1.3, 1.7) | 227 | 65.8 (57.2, 74.4) | 2.0 (1.7, 2.4) |
| 40+ | 127 | 181.4 (149.8, 212.9) | 2.1 (1.8, 2.6) | 72 | 102.8 (79.1, 126.6) | 3.1 (2.4, 4.1) |
| Race/ethnicitya | ||||||
| Non-Hispanic white | 1,922 | 86.2 (82.3, 90.0) | Reference | 775 | 34.7 (32.3, 37.2) | Reference |
| Non-Hispanic black | 476 | 148.0 (134.7, 161.3) | 1.7 (1.6, 1.9) | 197 | 61.3 (52.7, 69.8) | 1.8 (1.5, 2.1) |
| Hispanic | 347 | 126.3 (113.0, 139.6) | 1.5 (1.3, 1.6) | 116 | 42.2 (34.5, 49.9) | 1.2 (1.0, 1.5) |
| Non-Hispanic Asian/Pacific Islander | 172 | 135.7 (115.4, 156.0) | 1.6 (1.3, 1.8) | 61 | 48.1 (36.0, 60.2) | 1.4 (1.1, 1.8) |
| Non-Hispanic American Indian/Alaska Native | 56 | 158.9 (117.3, 200.5) | 1.8 (1.4, 2.4) | 14 | 39.7 (18.9, 60.5) | 1.1 (0.7, 1.9) |
| Non-Hispanic Other | 29 | 100.5 (63.9, 137.1) | 1.2 (0.8, 1.7) | 16 | 55.5 (28.3, 82.6) | 1.6 (1.0, 2.6) |
| Payer | ||||||
| Private | 1,551 | 85.1 (80.9, 89.3) | Reference | 652 | 35.8 (33.0, 38.5) | Reference |
| Medicaid | 1,548 | 120.9 (114.9, 126.9) | 1.4 (1.3, 1.5) | 543 | 42.4 (38.8, 46.0) | 1.2 (1.1, 1.3) |
| Other | 130 | 125.8 (104.2, 147.4) | 1.5 (1.2, 1.8) | 71 | 68.7 (52.7, 84.7) | 1.9 (1.5, 2.5) |
| Public health region of residence | ||||||
| Western | 310 | 75.3 (66.9, 83.7) | Reference | 131 | 31.8 (26.4, 37.3) | Reference |
| Northeastern | 663 | 98.2 (90.7, 105.7) | 1.3 (1.1, 1.5) | 202 | 29.9 (25.8, 34.0) | 0.9 (0.8, 1.2) |
| Northern | 271 | 113.9 (100.3, 127.4) | 1.5 (1.3, 1.8) | 94 | 39.5 (31.5, 47.5) | 1.2 (1.0, 1.7) |
| Southeastern | 1,259 | 101.7 (96.1, 107.4) | 1.4 (1.2, 1.5) | 538 | 43.5 (39.8, 47.2) | 1.4 (1.1, 1.7) |
| Southern | 726 | 112.8 (104.6, 121.0) | 1.5 (1.3, 1.7) | 301 | 46.8 (41.5, 52.0) | 1.5 (1.2, 1.8) |
| Delivery type | ||||||
| Vaginal | 606 | 57.9 (54.9, 61.0) | Reference | 306 | 17.2 (15.6, 18.9) | Reference |
| Primary cesarean | 1,250 | 273.4 (258.6, 288.9) | 4.7 (4.4, 5.1) | 553 | 121.0 (111.2, 131.4) | 7.0 (6.2, 8.0) |
| Repeat cesarean | 1,373 | 159.6 (147.3, 172.7) | 2.8 (2.5, 3.0) | 407 | 80.6 (71.9, 90.0) | 4.7 (4.0, 5.4) |
Abbreviations: SMM, severe maternal morbidity.
Bold type indicates a statistically significant difference from a ratio of 1.0.
a
18,927 hospitalizations missing race/ethnicity (5.9%).