Table 1 Rates of PTB and LBW among infants with CHD in Changsha City, China, 2022–2024.
Year | Number of live births (n) | Number of BDs (n) | Number of CHD (n) | PTB in infants with CHD | LBW infants with CHD | ||
|---|---|---|---|---|---|---|---|
Number | Rate (%) | Number | Rate (%) | ||||
2022 | 79,255 | 1156 | 560 | 79 | 14.11 | 68 | 12.14 |
2023 | 75,719 | 1104 | 480 | 77 | 16.04 | 70 | 14.58 |
2024 | 83,170 | 1209 | 420 | 76 | 18.10 | 72 | 17.14 |
Total | 238,144 | 3469 | 1460 | 232 | 15.89 | 210 | 14.38 |