Variable Description*
Age in years 33.15 ± 4.93
Parity 2.20 ± 1.37
BMI (kg/m2) 27.89 ± 4.50
Smoking 64 (8.86%)
Ethnicity Asian
White (European)
Middle Eastern
299 (41.53%) 67 (9.31%) 354 (49.17%)
Number of previous CS 1.38 ± 1.08
IVF pregnancy 34 (4.71%)
Type of conception Singleton
Twin pregnancy
701 (97.36%) 19 (2.64%)
Obstetric complications Gestational diabetes
Pregestational diabetes
Gestational hypertension
Chronic hypertension
Preeclampsia
Fetal growth restriction
Others
62 (8.60%) 7 (0.97%) 21 (2.91%) 17 (2.36%) 13 (1.80%) 11 (1.53%) 36 (4.99%)
History of gynecologic surgery Obstetric D & C
Gynecologic D & C
Open myomectomy
Laparoscopic myomectomy
Hysteroscopic adhesiolysis
Hysteroscopic septum resection
Others
189 (26.92%) 105 (14.96%) 9 (1.28%) 1 (0.14%) 5 (0.71%) 5 (0.71%) 7 (1.00%)
Gestational age at diagnosis in weeks 26.71 ± 6.20
Gestational age at delivery in weeks 35.10 ± 3.19
Method of diagnosis Ultrasound alone
Ultrasound and Doppler
Ultrasound confirmed by MRI
MRI only (inconclusive ultrasound) Intrapartum diagnosis
34 (4.72%) 429 (59.58%) 208 (28.89%) 2 (0.28%) 47 (6.53%)
Placental location Central
Anterior low
Posterior low
High anterior
High posterior
Fundal
260 (35.76%) 233 (32.05%) 185 (25.45%) 15 (2.06%) 18 (2.48%) 16 (2.20%)
Type of invasion Focal
Complete
446 (61.52%) 279 (38.48%)
Organ invasion No organ involvement
Bladder invasion
Parametrium invasion
Others
613 (84.32%) 95 (13.07%) 18 (2.48%) 1 (0.14%)
Type of CS incision Low transverse
High transverse
Classic
Low vertical
404 (56.03%) 201 (27.88%) 101 (14.01%) 15 (2.08%)
Relation of incision to placenta Incision through the placenta
Incision away from the placenta
205 (28.75%) 508 (71.25%)
Antenatal steroids Complete course
Incomplete course
Not indicated
304 (42.16%) 108 (14.98%) 309 (42.86%)
Indication of delivery Elective (related to accreta)
Elective (not related to accreta)
Emergency (related to accreta)
Emergency (not related to accreta)
485 (67.36%) 55 (7.64%) 141 (19.58%) 39 (5.42%)
Antepartum hemoglobin (g/dl) 11.04 ± 1.43
Preoperative ultrasound 693 (95.32%)
Intraoperative ultrasound 30 (4.13%)
PAS type Placenta accreta
Placenta increta
Placenta percreta
303 (41.68%) 227 (31.22%) 197 (27.10%)
Management of PAS Planned hysterectomy
Conservative management
135 (18.70%) 587 (81.30%)
Outcomes of conservative management Successful
Failed
469 (79.90%) 118 (20.10%)
Conservative management Local uterine resection
Intrauterine balloon placement
Internal iliac artery ligation
Uterine artery ligation
Ovarian artery ligation
Extensive suturing of placental bed
Compression sutures
B-Lynch suture
Nausicaa suture
33 (5.62%) 67 (11.41%) 72 (12.27%) 89 (15.16%) 36 (6.13%) 115 (19.59%) 193 (32.88%) 146 (24.87%) 15 (2.06%)
Interventional radiology Uterine artery embolization
Common iliac artery balloon
Internal iliac artery balloon
68 (9.42%) 27 (3.71%) 44 (6.05%) 6 (0.83%)
Intraoperative surgical complications No complications
Unintentional cystotomy
Ureteric injury
Bowel injury
643 (88.45%) 74 (10.18%) 5 (0.69%) 5 (0.69%)
Cord clamping Immediate cord clamping
Delayed cord clamping (> 30 seconds)
604 (83.31%) 121 (16.69%)
Intraoperative tranexamic acid 240 (33.01%)
Estimated blood loss in ml 1786.33 ±1707.74
DIC 42 (5.78%)
Transfusion of blood products Number of transfused RBC units
Number of transfused whole blood units
Number of transfused FFP units
Number of transfused cryoprecipitate units
Number of transfused platelet units
2.66 ± 4.91 0.38 ± 1.63 1.37 ± 2.69 1.42 ± 6.37 0.81 ± 4.45
Admission to maternal ICU 189 (26.0%)
Duration of admission to ICU in days 0.54 ± 1.20
Duration of maternal hospital stay 6.16 ± 6.36
Postoperative hemoglobin (g/dl) 9.33 ± 1.75
Maternal mortality 1 (0.14%)
IUFD 11 (1.51%)
Postoperative maternal morbidity Acute kidney injury
Pulmonary edema
Ileus
Femoral/external iliac thrombosis
Femoral arteriovenous fistula
Others/unrelated
17 (2.35%) 4 (0.55%) 4 (0.55%) 1 (0.14%) 3 (0.41%) 1 (0.14%) 4 (0.55%)