Background
Methods
Patients
Parameter | Cataract | Controls | p-value |
---|---|---|---|
Age (years) |
n = 103
|
n = 22
| |
71 ± 10.9 | 70 ± 3.4 | 0.35 | |
Sex |
n = 103
|
n = 22
| |
Female | 61 (59.2) | 16 (72.7) | 0.24 |
Male | 42 (40.8) | 6 (27.3) | |
Type of lens opacitya |
n = 100
| ||
Nuclear | 93 (93.0) | - | - |
Cortical | 42 (42.0) | - | |
Posterior subcapsular | 23 (23.0) | - | |
Mixed cataract |
n = 102
| ||
Yes | 51 (50.0) | - | - |
No | 51 (50.0) | - | |
Diabetes |
n = 103
|
n = 22
| |
Yes | 20 (19.4) | - | 0.02 |
No | 83 (80.6) | 22 (100) | |
Smoking |
n = 103
|
n = 22
| |
Current smoker | 19 (18.4) | 1 (4.5) | 0.11 |
Ever smokerb | 69 (67.0) | 12 (54.5) | 0.27 |
Hormonal status |
n = 102
|
n = 18
| |
Currently on hormones | 9 (8.8) | 3 (16.7) | 0.31 |
Ever on hormonesb | 43 (42.2) | 11 (61.1) | 0.14 |
Menarche / Menopause | |||
Age at menarche |
n = 57
|
n = 12
| |
13 ± 1.3 | 13 ± 1.4 | 0.64 | |
Age at menopause |
n = 50
|
n = 13
| |
49 ± 6.8 | 50 ± 3.6 | 0.49 | |
Years in menopausec |
n = 50
|
n = 13
| |
24 ± 11.7 | 20 ± 5.8 | 0.16 | |
Reproductive years |
n = 48
|
n = 12
| |
35 ± 6.9 | 38 ± 3.2 | 0.27 |
Blood sampling
Oestradiol levels
Total superoxide dismutase activity
Statistical analysis
Results
Cataract | Controls | |||
---|---|---|---|---|
Men | Women | Men | Women | |
n = 37
|
n = 42
|
n = 6
|
n = 16
| |
Oestradiol levels (pmol/L) a | 50.7 ± 17.2 | 15.4 ± 13.0 | 46.0 ± 9.0 | 9.6 ± 6.6 |
n = 41
|
n = 60
|
n = 6
|
n = 16
| |
SOD activity (U/ml) | 4.1 ± 0.9 | 4.1 ± 1.0 | 3.9 ± 1.2 | 4.2 ± 1.0 |