| Full Sample (N=603) n(%) | Pruritus (N=201) n(%) | Control (N=402) n(%) | p | |
---|---|---|---|---|---|
Age (mean (SD)) | Â | 29.08 (4.26) | 29.71 (4.03) | 28.77 (4.34) | 0.011 |
Higher age | < 35y | 531 (88.1) | 172 (85.6) | 359 (89.3) | 0.231 |
>= 35y | 72 (11.9) | 29 (14.4) | 43 (10.7) | Â | |
Local anesthetics | ropivacaine | 541 (89.9) | 176 (88.0) | 365 (90.8) | 0.354 |
levobupivacaine | 61 (10.1) | 24 (12.0) | 37 (9.2) | Â | |
Morphine concentration (median [IQR]) |  | 20.00 [20.00, 30.00] | 25.00 [20.00, 30.00] | 20.00 [20.00, 25.00] | < 0.001 |
ASA score | I | 390 (64.7) | 134 (66.7) | 256 (63.7) | 0.527 |
II | 213 (35.3) | 67 (33.3) | 146 (36.3) | Â | |
Twin pregnancy | single | 561 (93.0) | 184 (91.5) | 377 (93.8) | 0.396 |
twin | 42 (7.0) | 17 (8.5) | 25 (6.2) | Â | |
Gestational diabetes | No | 525 (87.1) | 177 (88.1) | 348 (86.6) | 0.699 |
Yes | 78 (12.9) | 24 (11.9) | 54 (13.4) | Â | |
Hypertension | No | 568 (94.2) | 191 (95.0) | 377 (93.8) | 0.666 |
Yes | 35 (5.8) | 10 (5.0) | 25 (6.2) | Â | |
Term delivery | No | 98 (16.3) | 36 (17.9) | 62 (15.4) | 0.507 |
Yes | 505 (83.7) | 165 (82.1) | 340 (84.6) | Â | |
Assisted reproductive treatment | No | 572 (94.9) | 184 (91.5) | 388 (96.5) | 0.016 |
Yes | 31 (5.1) | 17 (8.5) | 14 (3.5) | Â | |
Primipara | No | 282 (46.8) | 113 (56.2) | 169 (42.0) | 0.001 |
Yes | 321 (53.2) | 88 (43.8) | 233 (58.0) | Â | |
Cesarean section history | No | 414 (68.7) | 126 (62.7) | 288 (71.6) | 0.032 |
Yes | 189 (31.3) | 75 (37.3) | 114 (28.4) | Â | |
BMI (median [IQR]) | Â | 26.70 [24.70, 28.90] | 26.50 [24.60, 28.80] | 26.80 [24.70, 29.10] | 0.402 |
Pain level | None | 149 (24.8) | 49 (24.4) | 100 (24.9) | 0.978 |
Mild | 413 (68.6) | 139 (69.2) | 274 (68.3) | Â | |
Moderate | 40 (6.6) | 13 (6.5) | 27 (6.7) | Â |