Table 1.
Baseline and pregnancy characteristics in women with pregestational type 1 and type 2 diabetes
| Type 1 (n = 53) | Type 2 (n = 45) | P value | |
|---|---|---|---|
| Demographic data | |||
| Age at delivery (yr), mean (sd) | 31 (5.7) | 32 (6.3) | 0.37 |
| Race/ethnicity | |||
| Black, n (%) | 3 (6) | 8 (18) | <0.0001a |
| White, n (%) | 41 (77) | 13 (29) | |
| Hispanic, n (%) | 7 (13) | 20 (44) | |
| Other, n (%) | 2 (4) | 4 (9) | |
| Clinical data | |||
| Weight at first visit (lb), mean (sd) | 160.0 (32.5) | 200.1 (43.3) | <0.0001 |
| Weight prior to delivery (lb), mean (sd) | 190.2 (34.1) | 218.7 (46.1) | 0.002 |
| First-trimester HbA1c (%), mean (sd) | 7.4 (1.4) | 7.5 (1.6) | 0.9 |
| Second-trimester HbA1c (%), mean (sd) | 6.4 (1.0) | 6.3 (1.0) | 0.6 |
| Third-trimester HbA1c (%), mean (sd) | 6.5 (1.0) | 6.4 (0.9) | 0.6 |
| Hypertension, n (%) | 9 (17) | 15 (33) | 0.056 |
| Preeclampsia or eclampsia, n (%) | 13 (25) | 5 (11) | 0.09 |
| Family history of diabetes mellitus, n (%) | 31 (58) | 28 (62) | 0.5 |
| Smoking, n (%) | 2 (4) | 5 (11) | 0.2 |
| Obstetric data | |||
| Gestational age at delivery (wk), mean (sd) | 37.0 (3.74) | 37.5 (3.8) | 0.6 |
| Cesarean deliveries, n (%) | 35 (67) | 24 (53) | 0.2 |
| Birth weight (g), mean (sd) | 3,309 (962) | 3,372 (842) | 0.7 |
| One-minute Apgar score, mean (sd) | 7.6 (2.2) | 7.7 (1.9) | 0.8 |
| Five-minute Apgar score, mean (sd) | 8.3 (2.1) | 8.7 (0.6) | 0.2 |
| Parity, mean (sd) | 1.9 (1.2) | 2.8 (1.9) | 0.004 |
| Fetal demise | 2 (4) | 2 (4) | 0.9 |
a
P value for χ2 test across all race/ethnicity groups.