CCHD group | Variables | Total n | Alive % | Mean (months) (95% CI) | Log Rank (Mantel-Cox), p |
---|---|---|---|---|---|
Total | 9884 | 65.1 | 40.0 (39.5–40.6) | ||
Group 1 | 4392 | 53.4 | 33.4 (32.5–34.2)a | < 0.001 | |
Group 2 | 5415 | 74.5 | 45.4 (44.7–46.0)b | ||
Gender | |||||
Group 1 | Female | 1820 | 54.6 | 34.1 (32.8–35.4) | 0.095 |
Male | 2572 | 52.6 | 32.8 (31.7–33.4) | ||
Group 2 | Female | 2550 | 73.9 | 45.1 (44.1–46.0) | 0.370 |
Male | 2865 | 75.0 | 45.6 (44.7–46.5) | ||
Gestational age | |||||
Group 1 | < 37 weeks | 885 | 39.0 | 25.0 (23.1–26.8) | < 0.001 |
≥ 37 weeks | 3447 | 56.5 | 35.1 (34.2–36.1) | ||
Group 2 | < 37 weeks | 1254 | 64.1 | 39.3 (37.8–40.8) | < 0.001 |
≥ 37 weeks | 4118 | 77.6 | 47.1 (46.4–47.9) | ||
Birthweight by gestational age | |||||
Group 1 | SGA | 1064 | 44.5 | 28.5 (26.8–30.2)a | < 0.001 |
AGA | 3065 | 55.7 | 34.5 (33.6–35.5)b | ||
LGA | 203 | 55.2 | 32.8 (29.1–36.5)b | ||
Group 2 | SGA | 1256 | 63.6 | 39.3 (37.8–40.8)a | < 0.001 |
AGA | 3771 | 77.7 | 47.1 (46.4–47.9)b | ||
LGA | 345 | 78.3 | 47.2 (44.8–49.7)b | ||
Number of fetuses in pregnancy | |||||
Group 1 | Singular | 4123 | 53.4 | 33.3 (32.4–34.2) | 0.007 |
Twin/triplet | 209 | 44.0 | 28.2 (24.4–31.9) | ||
Group 2 | Singular | 5107 | 74.6 | 45.5 (44.8–46.1) | 0.077 |
Twin/triplet | 264 | 70.5 | 42.4 (39.3–45.5) | ||
Maternal age | |||||
Group 1 | <20 years | 200 | 47.0 | 29.5 (25.6–33.4)a | 0.017 |
20–34 years | 3293 | 52.7 | 31.9 (31.9–33.9)a | ||
≥ 35 years | 864 | 56.5 | 35.2 (33.3–37.0)b | ||
Group 2 | < 20 years | 201 | 71.1 | 43.4 (39.9–46.9)a.b | < 0.001 |
20–34 years | 3812 | 76.4 | 46.4 (45.6–47.1)a | ||
≥35 years | 1377 | 69.4 | 42.7 (41.2–44.0)b | ||
Mode of delivery | |||||
Group 1 | Normal | 1447 | 52.0 | 32.6 (31.2–34.1) | 0.565 |
Cesarean | 2765 | 51.7 | 32.3 (31.2–33.3) | ||
Group 2 | Normal | 1732 | 73.3 | 44.8 (43.7–46.0) | 0.611 |
Cesarean | 3524 | 74.2 | 45.1 (44.3–46.0) | ||
Region | |||||
Group 1 | West | 1653 | 56.1 | 34.7 (33.3–36.1)a | 0.001 |
South | 575 | 54.6 | 34.1 (31.9–36.4)ab | ||
Central | 784 | 50.3 | 31.7 (29.7–33.7)bc | ||
North | 226 | 61.9 | 37.9 (34.4–41.4)a | ||
East | 1144 | 49.0 | 31.0 (29.4–32.6)c | ||
Group 2 | West | 2154 | 80.0 | 48.3 (47.4–49.3)a | < 0.001 |
South | 703 | 72.8 | 44.3 (42.5–46.1)b | ||
Central | 1040 | 75.1 | 45.9 (44.4–47.3)b | ||
North | 319 | 74.3 | 45.1 (42.4–47.8)b | ||
East | 1188 | 64.7 | 40.0 (38.5–41.6)c |