Table 1 Demographics of 228 pregnant women who underwent 356 prenatal MRI studies.
N [%] or median [IQR] | All subjects | Pre-pandemic | Pandemic | p |
|---|---|---|---|---|
Number of subjects | 228 | 165 | 63 | |
Female fetus | 103 [48] | 71 [46] | 32 [54] | 0.29 |
Male fetus | 110 [52] | 83 [54] | 27 [46] | |
With 1 scan | 100 [44] | 63 [38] | 37 [59] | < 0.01 |
With 2 scans | 128 [56] | 102 [62] | 26 [41] | |
Number of MR scans | 356 | 267 | 89 | |
Time point 1 | 206 [58] | 162 [61] | 44 [49] | 0.06 |
Time point 2 | 150 [42] | 105 [39] | 45 [51] | |
GA at MRI | 29.4 [26.3, 35.0] | 29.3 [26.6, 35.3] | 30.1 [25.3, 33.9] | 0.10 |
Maternal age (years) | 34.4 [31.0, 37.3] | 34.3 [31.0, 38.0] | 34.6 [30.5, 36.1] | 0.55 |
Maternal weight at MRI (kg) | 73.1 [66.4, 83.1] | 73.3 [66.4, 83.3] | 72.8 [66.5, 82.8] | 0.86 |
Maternal parity (primiparous/multiparous)a | 123/94 | 87/69 | 36/25 | 0.66 |
GA at birth (weeks)b | 39.6 [38.6, 40.3] | 39.6 [38.4, 40.4] | 39.4 [38.9, 40.1] | 0.82 |
Birth weight (kg)c | 3.35 [3.02, 3.67] | 3.38 [3.01, 3.67] | 3.29 [3.06, 3.69] | 0.98 |
Birth head circumference (cm)d | 34.3 [33.5, 35.5] | 34.0 [33.0, 35.5] | 34.5 [33.7, 35.6] | 0.42 |
Apgar score at 1 minutee | 8 [8, 9] | 8 [8, 9] | 8 [8, 9] | 0.91 |
Apgar score at 5 minutesf | 9 [9, 9] | 9 [9, 9] | 9 [9, 9] | 0.10 |
Delivery modeg | 0.06 | |||
Vaginal | 118 [69] | 76 [64] | 42 [81] | |
Elective C-section | 29 [17] | 22 [18] | 7 [13] | |
Emergency C-section | 24 [14] | 21 [18] | 3 [6] | |
Race/ethnicityh | 0.08 | |||
White | 116 [57] | 84 [56] | 32 [59] | |
Black | 37 [18] | 29 [19] | 8 [15] | |
Hispanic or Latino | 25 [12] | 18 [12] | 7 [13] | |
Asian or Pacific Islander | 11 [5] | 5 [3] | 6 [11] | |
Others | 16 [8] | 15 [10] | 1 [2] |
