Table 3 Cumulative frequency and relative frequency of cases ascertained at different lookback periods and the prevalence of diseases for the 53,438 women by disease type
| Â | Lookback period: | Â | Â | Â | Â | |
|---|---|---|---|---|---|---|
| Â | 'Birth' | 'Pregnancy' | '2 years' | '3 years' | '4 years' | '5 years' |
Cardiac diseases | Â | Â | Â | Â | Â | Â |
   No. | 194 | 273 | 357 | 392 | 425 | 445 |
   % of total cases | 43.6% | 61.3% | 80.2% | 88.1% | 95.5% | 100.0% |
   Prevalence | 0.36% | 0.51% | 0.67% | 0.73% | 0.80% | 0.83% |
Chronic renal disease | Â | Â | Â | Â | Â | Â |
   No. | 67 | 217 | 279 | 324 | 354 | 377 |
   % of total cases | 17.8% | 57.6% | 74.0% | 85.9% | 93.9% | 100.0% |
   Prevalence | 0.13% | 0.41% | 0.52% | 0.61% | 0.66% | 0.71% |
Asthma/COPD* | Â | Â | Â | Â | Â | Â |
   No. | 473 | 682 | 984 | 1,087 | 1,175 | 1,255 |
   % of total cases | 37.7% | 54.3% | 78.4% | 86.6% | 93.6% | 100.0% |
   Prevalence | 0.89% | 1.28% | 1.84% | 2.03% | 2.20% | 2.35% |
Psychiatric disorders | Â | Â | Â | Â | Â | Â |
   No. | 325 | 424 | 619 | 705 | 783 | 829 |
   % of total cases | 39.2% | 51.1% | 74.7% | 85.0% | 94.5% | 100.0% |
   Prevalence | 0.61% | 0.79% | 1.16% | 1.32% | 1.47% | 1.55% |
Pre-existing hypertension | Â | Â | Â | Â | Â | Â |
   No. | 420 | 515 | 535 | 540 | 546 | 549 |
   % of total cases | 76.5% | 93.8% | 97.4% | 98.4% | 99.5% | 100.0% |
   Prevalence | 0.79% | 0.96% | 1.00% | 1.01% | 1.02% | 1.03% |
Pre-existing diabetes | Â | Â | Â | Â | Â | Â |
   No. | 250 | 265 | 289 | 297 | 300 | 305 |
   % of total cases | 82.0% | 86.9% | 94.8% | 97.4% | 98.4% | 100.0% |
   Prevalence | 0.47% | 0.50% | 0.54% | 0.56% | 0.56% | 0.57% |
Thyroid disorders | Â | Â | Â | Â | Â | Â |
   No. | 173 | 204 | 240 | 253 | 266 | 275 |
   % of total cases | 62.9% | 74.2% | 87.3% | 92.0% | 96.7% | 100.0% |
   Prevalence | 0.32% | 0.38% | 0.45% | 0.47% | 0.50% | 0.51% |
Autoimmune diseases^ | Â | Â | Â | Â | Â | Â |
   No. | 202 | 247 | 323 | 374 | 401 | 426 |
   % of total cases | 47.4% | 58.0% | 75.8% | 87.8% | 94.1% | 100.0% |
   Prevalence | 0.38% | 0.46% | 0.60% | 0.70% | 0.75% | 0.80% |