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. 2018 Mar 2;8(3):e019509. doi: 10.1136/bmjopen-2017-019509

Table 2.

Antenatal obstetric characteristics of the study population (N=32 321)

Gaza West Bank P value
Hospital 1
(n=4674)
n (%)
Hospital 2
(n=4895)
n (%)
Hospital 3
(n=10 849)
n (%)
Hospital 4
(n=5519)
n (%)
Hospital 5
(n=3626)
n (%)
Hospital 6
(n=2758)
n (%)
Parity
 Primiparous 1072 (22.9) 1223 (25.0) 2846 (26.2) 1217 (22.1) 1002 (27.6) 749 (27.2) <0.001*
 Parous 3600 (77.1) 3672 (75.0) 8001 (73.8) 4302 (77.9) 2624 (72.4) 2008 (72.8)
 Missing 2 0 2 0 0 1
No of children alive among parous women, median (IQR) 2 (2) 2 (3) 1 (3) 2 (3) 1 (3) 1 (3) <0.001†
Previous caesarean section among parous women
 0 3419 (95.0) 3393 (92.4) 7161 (89.5) 3704 (86.1) 2295 (87.5) 1869 (93.1) <0.001*
 1 181 (5.0) 279 (7.6) 840 (10.5) 598 (13.9) 329 (12.5) 139 (6.9)
No of antenatal visits, mean (SD) 5.12 (1.97) 5.75 (1.98) 5.53 (1.97) 9.06 (3.06) 8.60 (2.16) 9.64 (3.42) <0.001†
No of antenatal visits
 ≤3 947 (20.3) 181 (3.7) 1358 (12.5) 221 (4.0) 84 (2.3) 103 (3.7) <0.001*
 4–7 3171 (67.9) 3783 (77.4) 7334 (67.7) 1068 (19.4) 677 (18.7) 439 (16.0)
 ≥8 553 (11.8) 923 (18.9) 2146 (19.8) 4212 (76.6) 2859 (79.0) 2209 (67.1)
 Missing 3 8 11 18 6 7
In vitro fertilisation treatment
 Yes 26 (0.6) 13 (0.3) 35 (0.3) 32 (0.6) 19 (0.5) 14 (0.5) <0.043*
 No 4476 (99.4) 4809 (99.7) 10 507 (99.7) 5471 (99.4) 3592 (99.5) 2723 (99.5)
 Missing 172 73 307 16 15 21
Hypertensive disorder
 Yes 155 (3.3) 147 (3.0) 473 (4.4) 158 (2.9) 68 (1.9) 26 (0.9) <0.001*
 No/unknown 4519 (96.7) 4748 (97.0) 10 376 (95.6) 5361 (97.1) 3558 (98.1) 2732 (99.1)
Induction of labour
 Yes 373 (8.0) 549 (11.2) 1424 (13.1) 1027 (18.6) 601 (16.6) 324 (11.7) <0.001*
 No/unknown 4301 (92.0) 4346 (88.8) 9425 (86.9) 4492 (81.4) 3025 (83.4) 2434 (88.3)

*P value from χ2 test is used to test the difference between hospitals.

†P value from analysis of variance is used to test the difference between hospitals.

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