Table 3.
Disease prevalence (%) according to BP status, prevalence proportion ratio (PPR) and odds ratio (with 95% CI) among 4484 Danish twins aged 70–102 years
| Disease | Prevalence (%) | PPRa | OR (95% CI) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| +BP | −BP | |||||||||
| ♂+♀ | ♂ | ♀ | ♂+♀ | ♂ | ♀ | ♂+♀ | ♂ | ♀ | ♂+♀b | |
| Degenerative joint disease | 47 | 36 | 53 | 23 | 17 | 28 | 2.04 | 2.11 | 1.89 | 2.65*** (2.24–3.14) |
| Disc prolapse | 16 | 18 | 15 | 5 | 7 | 4 | 3.20 | 2.57 | 3.75 | 3.40*** (2.73–4.23) |
| Osteoporosis | 15 | 6 | 20 | 4 | 1 | 6 | 3.75 | 6.00 | 3.33 | 4.36*** (3.39–5.59) |
| Vertebral fracture | 8 | 8 | 8 | 2 | 2 | 2 | 4.00 | 4.00 | 4.00 | 3.41** (1.50–7.79) |
| Rheumatoid arthritis | 8 | 7 | 9 | 5 | 4 | 6 | 1.60 | 1.75 | 1.50 | 1.67*** (1.30–2.15) |
| Gout | 8 | 10 | 6 | 4 | 6 | 3 | 2.00 | 3.33 | 2.00 | 2.11*** (1.59–2.81) |
| Migraine | 15 | 5 | 15 | 9 | 3 | 9 | 1.67 | 1.67 | 1.67 | 1.72*** (1.38–2.15) |
| Chronic bronchitis | 13 | 20 | 13 | 9 | 12 | 9 | 1.44 | 1.67 | 1.44 | 1.69*** (1.39–2.05) |
| Asthma | 11 | 14 | 11 | 8 | 10 | 8 | 1.38 | 1.40 | 1.38 | 1.44*** (1.20–1.73) |
| Hypertension | 31 | 24 | 31 | 26 | 19 | 26 | 1.19 | 1.26 | 1.19 | 1.21*** (1.06–1.39) |
| Angina pectoris | 10 | 7 | 10 | 5 | 5 | 5 | 2.00 | 1.40 | 2.00 | 1.90*** (1.48–2.45) |
| Coronary attack | 8 | 11 | 8 | 6 | 10 | 6 | 1.33 | 1.10 | 1.33 | 1.33** (1.08–1.64) |
| Gastric ulcer | 14 | 18 | 14 | 9 | 12 | 9 | 1.56 | 1.50 | 1.56 | 1.70*** (1.40–2.07) |
| Epilepsy | 1 | 1 | 1 | 1 | 2 | 1 | 1.00 | 0.50 | 1.00 | 1.19 (0.89–1.60) |
| Parkinsons disease | 1 | 4 | 1 | 1 | 1 | 1 | 1.00 | 4.00 | 1.00 | 1.05 (0.99–1.12) |
| Diabetes | 8 | 9 | 8 | 8 | 8 | 8 | 1.00 | 1.13 | 1.00 | 1.15 (0.94–1.42) |
| Graves disease | 7 | 2 | 7 | 5 | 1 | 5 | 1.40 | 2.00 | 1.40 | 1.18 (0.97–1.45) |
| Hashimoto's disease | 5 | 1 | 5 | 3 | 1 | 3 | 1.67 | 1.00 | 1.67 | 1.15 (0.94–1.39) |
*P<0.05; **P<0.005; ***P<0.0001
aPrevalence proportion ratio between +BP and −BP
bAdjusted for sex and age, complete twin pairs analysed in clusters of two