Table 1.
Characteristics of the women in the surgery and control groups at baseline.
| Surgery
|
Control
|
p | |||
|---|---|---|---|---|---|
| Mean (SD) | Number with missing data | Mean (SD) | Number with missing data | ||
| Number of individuals | 1420 | 1447 | |||
|
| |||||
| Age (years) | 47.2 (6.0) | 0 | 48.8 (6.3) | 0 | 0.000 |
|
| |||||
| Body mass index (kg/m2) | 42.8 (4.3) | 0 | 40.7 (4.6) | 0 | 0.000 |
|
| |||||
| Body weight (kg) | 116.1 (13.8) | 0 | 110.6 (14.6) | 0 | 0.000 |
|
| |||||
| Smokers (%) | 25.8 | 2 | 19.7 | 3 | 0.000 |
|
| |||||
| Diabetes (%) | 14.4 | 6 | 10.9 | 3 | 0.007 |
|
| |||||
| Insulin (mU/L) | 19.9 (12.9) | 4 | 16.4 (9.6) | 1 | 0.000 |
|
| |||||
| Alcohol (g/day) | 3.2 (4.5) | 0 | 3.3 (5.1) | 1 | 0.485 |
|
| |||||
| Previous cancer (%) | 7.4 | 0 | 5.9 | 0 | 0.115 |
|
| |||||
| Blood glucose (mmol/L) | 5.1 (1.9) | 7 | 4.8 (1.7) | 3 | 0.001 |
|
| |||||
| HDL cholesterol (mmol/L) | 1.40 (0.32) | 49 | 1.41 (0.33) | 30 | 0.534 |
|
| |||||
| Cholesterol (mmol/L) | 5.82 (1.12) | 2 | 5.59 (1.03) | 2 | 0.000 |
|
| |||||
| Triglycerides (mmol/L) | 2.06 (1.18) | 2 | 1.81 (0.94) | 2 | 0.000 |
|
| |||||
| Postmenopausal (%) | 30.5 | 0 | 36.6 | 0 | 0.001 |
|
| |||||
| Hysterectomy (%) | 5.9 | 0 | 3.9 | 0 | 0.012 |
|
| |||||
| Ooforectomy (%) | 0.8 | 0 | 0.6 | 0 | 0.660 |
|
| |||||
| Hormone/anticonception (%) | 15.1 | 0 | 14.0 | 0 | 0.426 |
|
| |||||
| Biological children (%) | 89.4 | 0 | 87.5 | 0 | 0.114 |