Table 2 Demographic, clinical and health care characteristics of induced women by hospital
From: Risk of caesarean section after induced labour: do hospitals make a difference?
Hospital | 1 | 2 | 3 | 4 | 5 | p-value |
|---|---|---|---|---|---|---|
|  | n = 455 | n = 237 | n = 369 | n = 468 | n = 512 |  |
|  | n (%) or mean ± standard deviation |  | ||||
Maternal age (years) | 29.4 ± 5.86 | 30.5 ± 5.44 | 30.3 ± 4.98 | 29.6 ± 4.81 | 28.9 ± 5.59 | <0.001 |
Education level (years) | Â | Â | Â | Â | Â | Â |
= < 6 | 162 (35.6) | 68 (28.7) | 77 (20.9) | 101 (21.6) | 147 (28.7) | <0.001 |
7 – 9 | 114 (25.1) | 51 (21.5) | 86 (23.3) | 97 (20.7) | 181 (35.4) | |
10 – 12 | 83 (18.2) | 49 (20.7) | 100 (27.1) | 125 (26.7) | 103 (20.1) | |
> 12 | 92 (20.2) | 68 (28.7) | 106 (28.7) | 143 (30.6) | 78 (15.2) | |
no information (%) | 0.9 | 0.4 | 0.0 | 0.4 | 0.5 | Â |
Country of origin | Â | Â | Â | Â | Â | Â |
Native Portuguese | 423 (93.0) | 227 (95.8) | 353 (95.7) | 444 (94.9) | 483 (94.3) | 0.801 |
European non-Portuguese | 7 (1.5) | 1 (0.4) | 3 (0.8) | 6 (1.3) | 6 (1.2) | |
African | 4 (0.9) | 3 (1.3) | 3 (0.8) | 4 (0.9) | 6 (1.2) | |
South American | 8 (1.8) | 2 (1.8) | 6 (1.6) | 10 (2.1) | 8 (1.6) | |
Other | 13 (2.9) | 4 (1.7) | 4 (1.1) | 4 (0.9) | 9 (1.8) | |
Parity and previous caesarean | Â | Â | Â | Â | Â | Â |
Primiparous | 275 (60.4) | 142 (59.9) | 243 (65.9) | 316 (67.5) | 329 (64.3) | 0.142 |
Multiparous no previous caesarean | 137 (30.1) | 74 (31.2) | 90 (24.4) | 105 (22.4) | 126 (24.6) | |
Multiparous previous caesarean | 43 (9.5) | 21 (8.9) | 36 (9.8) | 47 (10.1) | 57 (11.1) | |
Body mass index (Kg/m 2 ) | Â | Â | Â | Â | Â | Â |
<25.0 | 195 (42.9) | 147 (62.0) | 263 (71.3) | 304 (65.0) | 306 (59.8) | 0.010 |
25.0 – 29.9 | 90 (19.8) | 58 (24.5) | 65 (17.6) | 101 (21.6) | 130 (25.4) | |
> = 30 | 44 (9.7) | 26 (11.0) | 28 (7.6) | 48 (10.3) | 53 (10.4) | |
no information (%) | 27.7 | 2.5 | 3.5 | 3.2 | 4.5 | Â |
Antenatal care | Â | Â | Â | Â | Â | Â |
Only public services | 328 (72.1) | 146 (61.6) | 184 (49.9) | 209 (44.7) | 321 (62.7) | <0.001 |
At least one visit at private services | 121 (26.6) | 74 (31.2) | 183 (49.6) | 255 (54.5) | 137 (26.8) | |
no information (%) | 1.3 | 7.2 | 0.5 | 0.9 | 10.5 | Â |
Indications for induction* | Â | Â | Â | Â | Â | Â |
None | 133 (29.2) | 48 (20.3) | 154 (41.7) | 198 (42.3) | 233 (45.5) | <0.001 |
One | 199 (43.7) | 124 (52.3) | 161 (43.6) | 188 (40.2) | 185 (36.2) | |
Two or more | 120 (26.4) | 59 (24.9) | 49 (13.3) | 74 (15.8) | 83 (16.2) | |
no information (%) | 0.7 | 2.5 | 1.4 | 1.7 | 2.1 | Â |
Foetal presentation | Â | Â | Â | Â | Â | Â |
Cephalic | 439 (96.5) | 225 (94.9) | 351 (95.1) | 463 (98.9) | 499 (97.5) | 0.002 |
Non-cephalic | 6 (1.3) | 7 (3.0) | 16 (4.3) | 4 (0.9) | 7 (1.4) | |
no information (%) | 2.2 | 2.1 | 0.5 | 0.2 | 1.2 | Â |
Gestational age (weeks) | Â | Â | Â | Â | Â | <0.001 |
<37 | 9 (2.0) | 9 (3.8) | 26 (7.0) | 30 (6.4) | 13 (2.5) | |
37 | 27 (5.9) | 14 (5.9) | 49 (13.3) | 29 (6.2) | 23 (4.5) | |
38 | 70 (15.4) | 36 (15.2) | 109 (29.5) | 84 (17.9) | 46 (9.0) | |
39 | 114 (25.1) | 54 (22.8) | 109 (29.5) | 100 (21.4) | 94 (18.4) | |
40 | 140 (30.8) | 48 (20.3) | 68 (18.4) | 116 (24.8) | 300 (58.6) | |
> = 41 | 95 (20.9) | 76 (32.1) | 8 (2.2) | 109 (23.3) | 36 (7.0) | |
Epidural | Â | Â | Â | Â | Â | Â |
Yes | 352 (77.4) | 194 (81.9) | 279 (75.6) | 355 (75.9) | 375 (73.2) | 0.043 |
No | 65 (14.3) | 20 (8.4) | 41 (11.1) | 63 (13.5) | 82 (16.0) | |
no information (%) | 8.4 | 9.7 | 13.3 | 10.7 | 10.7 | Â |
Mode of delivery | Â | Â | Â | Â | Â | Â |
Caesarean | 161 (35.4) | 77 (32.5) | 150 (40.7) | 214 (45.7) | 248 (48.4) | <0.001 |
Vaginal | 294 (64.6) | 160 (67.5) | 219 (59.3) | 254 (54.3) | 264 (51.6) | Â |