Table 1 Demographic information on women with appendectomy before pregnancy
Time in months from appendectomy to conception | ||||
|---|---|---|---|---|
Pregnancies with appendectomy before (%) | 0–11 | 12–23 | 24+ | |
Maternal characteristics | N (%) | N (%) | N (%) | N (%) |
Total number of pregnancies | 15,939 (100) | 1694 (100) | 1602 (100) | 12,643 (100) |
Maternal age, years | ||||
< 20 | 231 (1.4) | 88 (5.2) | 73 (4.6) | 70 (0.6) |
20–29 | 8207 (51.5) | 940 (55.5) | 914 (57.1) | 6353 (50.2) |
30–39 | 7192 (45.1) | 629 (37.1) | 596 (37.2) | 5967 (47.2) |
40–49 | 309 (1.9) | 37 (2.2) | 19 (1.2) | 253 (2.0) |
Parity | ||||
Nulliparous | 6285 (39.4) | 714 (42.1) | 691 (43.1) | 4880 (38.6) |
Multiparous | 8781 (55.1) | 884 (52.2) | 811 (50.6) | 7086 (56.0) |
Missing information on parity | 873 (5.5) | 96 (5.7) | 100 (6.2) | 677 (5.4) |
BMI, kg/m2 | ||||
< 18.5 | 457 (2.9) | 63 (3.7) | 36 (2.2) | 358 (2.8) |
18.5–24.9 | 6099 (38.3) | 483 (28.5) | 480 (30.0) | 5136 (40.6) |
25–29.9 | 2166 (13.6) | 195 (11.5) | 177 (11.0) | 1794 (14.2) |
> =30 | 1363 (8.6) | 115 (6.8) | 96 (6.0) | 1152 (9.1) |
Missing information on BMI | 5854 (36.7) | 838 (49.5) | 813 (50.7) | 4203 (33.2) |
Smoking status | ||||
Non-smokers | 11,506 (72.2) | 1107 (65.3) | 1050 (65.5) | 9349 (73.9) |
Smoking during pregnancy | 2726 (17.1) | 315 (18.6) | 299 (18.7) | 2112 (16.7) |
Missing information on smoking status | 1707 (10.7) | 272 (16.1) | 253 (15.8) | 1182 (9.3) |
Maternal disease | ||||
Diabetes | 64 (0.4) | 13 (0.8) | 9 (0.6) | 42 (0.3) |
Inflammatory disease | 133 (0.8) | 24 (1.4) | 25 (1.6) | 84 (0.7) |
Vital status | ||||
Liveborn | 15,019 (94.2) | 1593 (94.0) | 1497 (93.4) | 11,929 (94.4) |
Stillborn | 47 (0.3) | 5 (0.3) | 5 (0.3) | 37 (0.3) |
Missing information on vital status | 873 (5.5) | 96 (5.7) | 100 (6.2) | 677 (5.4) |