Correction to: BMC Pregnancy Childbirth 20, 724 (2020)
https://doi.org/10.1186/s12884-020-03257-4
Following publication of the original article [1], the authors reported an error in Tables 1, 2 and 3 headers. The correct tables are given below.
Table 1.
Baseline characteristics of the included patientsa
| HBV-positive (n = 9699) |
HBV-negative (n = 73,076) |
P value | OR | |
|---|---|---|---|---|
| Maternal age (yrs, mean ± SD) | 30.33 ± 4.50 | 30.28 ± 4.45 | P = 0.30 | |
| Gestational age (weeks, mean ± SD) | 38.18 ± 2.96 | 38.17 ± 3.51 | P = 0.76 | |
| Gravidity | ||||
| 1 | 3323 (34.26%) | 28,076 (38.42%) | P < 0.001 | 0.84 (0.80,0.87) |
| > 1 | 6376 (65.74%) | 45,000 (61.58%) | P < 0.001 | 1.20 (1.15,1.25) |
| Parity | ||||
| 1 | 82 (0.85%) | 760 (1.04%) | P = 0.07 | 0.81 (0.65,1.02) |
| > 1 | 9617 (99.15%) | 72,316 (98.96%) | P = 0.07 | 1.23 (0.98,1.55) |
| Mode of delivery | ||||
| Instrumental vaginal | 1903 (19.62%) | 14,009 (19.17%) | P = 0.29 | 1.03 (0.98,1.09) |
| Cesarean section | 3380 (34.85%) | 24,729 (33.84%) | P = 0.05 | 1.05 (1.00,1.09) |
| Vaginal delivery | 4373 (45.09%) | 33,907 (46.40%) | P = 0.01 | 0.95 (0.91,0.99) |
| Regional analgesia | 43 (0.44%) | 431 (0.59%) | P = 0.07 | 0.75 (0.55,1.03) |
| Birth weight(g) | ||||
| < 3000 | 2855 (29.44%) | 20,571 (28.15%) | P = 0.008 | 1.06 (1.02,1.122) |
| 3000–3499 | 4026 (41.51%) | 30,721 (42.04%) | P = 0.32 | 0.98 (0.94,1.02) |
| 3500–3999 | 2231 (23.00%) | 17,085 (23.38%) | P = 0.41 | 0.98 (0.93,1.03) |
| ≥ 4000 | 388 (6.05%) | 2718 (6.43%) | P = 0.17 | 1.08 (0.97,1.20) |
Table 2.
The association between HBV positive pregnancies and outcomes
| HBV-positive (n = 9699) |
HBV-negative (n = 73,076) |
P value | OR | |
|---|---|---|---|---|
| Gestational hypertension | 157 (1.62%) | 1421 (1.94%) | P = 0.028 | 0.83 (0.70,0.98) |
| Preeclampsia | 139 (1.43%) | 1302 (1.78%) | P = 0.014 | 0.80 (0.67,0.96) |
| HELLP syndrome | 5 (0.05%) | 48 (0.07%) | P = 0.605 | 0.78 (0.31,1.97) |
| PPROM | 2577 (26.57%) | 20,776 (28.43%) | P < 0.001 | 0.91 (0.87,0.96) |
| Postpartum hemorrhage | 218 (2.25%) | 1424 (1.95%) | P = 0.047 | 1.16 (1.00,1.34) |
| GDM | 1663 (17.15%) | 11,982 (16.40%) | P = 0.062 | 1.06 (1.00,1.12) |
| ICP | 149 (1.54%) | 334 (0.46%) | P = 0.001 | 3.40 (2.80,4.13) |
| placental abruption | 140 (1.44%) | 905 (1.24%) | P = 0.089 | 1.17 (0.98,1.40) |
| Premature birth | 1158 (11.94%) | 8424 (11.53%) | P = 0.234 | 1.04 (0.97,1.11) |
| Small for gestational age | 392 (0.22%) | 3165 (0.19%) | P = 0.192 | 0.93 (0.84,1.04) |
Table 3.
Gestational complications in Vaginal delivery
| HBV-positive (n = 6447) |
HBV-negative (n = 49,206) |
P | OR | |
|---|---|---|---|---|
| Gestational hypertension | 88 (1.30%) | 804 (1.41%) | P = 0.106 | 0.83 (0.67, 1.04) |
| Preeclampsia | 49 (0.76%) | 479 (0.97%) | P = 0.096 | 0.78 (0.58,1.05) |
| HELLP syndrome | 1 (0.02%) | 6 (0.01%) | P = 0.851 | 1.27 (0.15,10.57) |
| PPROM | 2018 (31.30%) | 16,808 (34.16%) | P < 0.001 | 0.88 (0.83,0.93) |
| Postpartum hemorrhage | 178 (2.76%) | 1151 (2.34%) | P = 0.037 | 1.19 (1.01,1.39) |
| GDM | 1079 (16.74%) | 7811 (15.87%) | P = 0.076 | 1.07 (0.99,1.14) |
| ICP | 78 (1.21%) | 161 (0.33%) | P < 0.001 | 3.73 (2.84,4.90) |
| Placental abruption | 101 (1.57%) | 537 (1.09%) | P < 0.001 | 1.44 (1.16,1.79) |
| Premature birth | 669 (10.38%) | 4546 (9.24%) | P = 0.003 | 1.14 (1.04,1.24) |
| Small for gestational age | 265 (4.11%) | 1817 (3.69%) | P = 0.096 | 1.12 (0.98,1.28) |
Statement “YLZ and JCC contributed equally to this work.” in the Authors’ contributions section deleted. “Yulong Zhang and Jiacheng Chen contributed equally to this work.” was inserted as article note.
The original article [1] has been updated.
Footnotes
Yulong Zhang and Jiacheng Chen contributed equally to this work.
Reference
- 1.Zhang Y, Chen J, Liao T, et al. Maternal HBsAg carriers and pregnancy outcomes: a retrospective cohort analysis of 85,190 pregnancies. BMC Pregnancy Childbirth. 2020;20:724. doi: 10.1186/s12884-020-03257-4. [DOI] [PMC free article] [PubMed] [Google Scholar]