Table 3 The number of prevalent cases detected by various lengths of look-back period in each year (2003–2013) for endometriosis (%1)
From: The effect of the look-back period for estimating incidence using administrative data
Year | Prevalent cases (n) | Look-back period (years) | Estimated Cases (n, %)2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |||
2003 | 750 | 127 16.9 | 212 28.2 | ||||||||||
2004 | 770 | 145 18.8 | 164 21.3 | 234 30.4 | |||||||||
2005 | 797 | 168 21.1 | 194 24.3 | 208 26.1 | 259 32.5 | ||||||||
2006 | 804 | 194 24.1 | 216 26.9 | 230 28.6 | 236 29.4 | 279 34.7 | |||||||
2007 | 738 | 206 27.9 | 245 33.2 | 261 35.4 | 272 36.9 | 275 37.3 | 272 36.9 | ||||||
2008 | 730 | 219 30.0 | 238 32.6 | 248 34.0 | 253 34.7 | 262 35.9 | 264 36.2 | 285 39.0 | |||||
2009 | 847 | 231 27.3 | 264 31.2 | 275 32.5 | 290 34.2 | 304 35.9 | 309 36.5 | 311 36.7 | 349 41.2 | ||||
2010 | 959 | 309 32.2 | 348 36.3 | 375 39.1 | 397 41.4 | 406 42.3 | 410 42.8 | 418 43.6 | 421 43.9 | 416 43.4 | |||
2011 | 965 | 360 37.3 | 389 40.3 | 403 41.8 | 417 43.2 | 426 44.1 | 437 45.3 | 442 45.8 | 449 46.5 | 450 46.6 | 439 45.5 | ||
2012 | 957 | 350 36.6 | 385 40.2 | 404 42.2 | 411 42.9 | 423 44.2 | 429 44.8 | 431 45.0 | 433 45.2 | 439 45.9 | 442 46.2 | 457 47.7 | |
2013 | 983 | 366 37.2 | 422 42.9 | 445 45.3 | 452 46.0 | 456 46.4 | 464 47.2 | 471 47.9 | 480 48.8 | 489 49.7 | 493 50.2 | 494 50.3 | 490 49.9 |