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Change of cervical cancer staging proportion in Beijing from 1993 to 2008
| Year | Stage (n, %) | Total | |||
|---|---|---|---|---|---|
| I | II | III | IV | ||
| 1993–1996 | 13 (7.6)* | 69 (40.4) | 52 (30.4)* | 37 (21.6)* | 171 |
| 1997–2000 | 48 (19.3) | 86 (34.5) | 88 (35.3) | 27 (10.8) | 249 |
| 2001–2004 | 206 (37.0) | 122 (21.9) | 183 (32.9) | 46 (8.3) | 557 |
| 2005–2008 | 643 (51.6)* | 324 (26.0) | 219 (17.6)* | 61 (4.9)* | 1247 |
| Total | 910 (40.9) | 601 (27.0) | 542 (24.4) | 171 (7.7) | 2224 |
*Chi-square test, P<0.01.
