Table 2 Number of cases, proportion lost to follow-up at varying intervals of time and 5-year cumulative absolute and loss-adjusted survival of factors studied
From: Loss-adjusted survival of cervix cancer in Khon Kaen, Northeast Thailand
% lost to follow-up among persons at risk of death at varying lengths of time (i) from index date | % Absolute survival | |||||
|---|---|---|---|---|---|---|
Factors studied | No. of cases | <1 year | 1≤i<3 years | 3≤i<5 years | Actuarial | Loss-adjusteda |
All cases | 601 | 13.3 | 5.1 | 19.3 | 56.8 | 54.7 |
(1) Age group | ||||||
<40 | 122 | 13.1 | 4.1 | 17.9 | 71.0 | 68.1 |
40–49 | 194 | 11.3 | 4.8 | 16.4 | 59.7 | 57.8 |
50–59 | 158 | 13.9 | 6.6 | 19.8 | 55.7 | 53.4 |
60+ | 127 | 15.8 | 4.8 | 26.9 | 38.8 | 37.6 |
(2) Stage of diseases | ||||||
Stage I | 93 | 7.5 | 1.2 | 19.4 | 77.1 | 74.6 |
Stage II | 134 | 9.7 | 9.0 | 18.3 | 65.5 | 63.0 |
Stage III and IV | 222 | 9.0 | 5.8 | 20.2 | 39.0 | 38.2 |
Stage unknown | 152 | 26.3 | 3.2 | 19.2 | 63.3 | 59.8 |
(3) Treatment | ||||||
Received treatment | 428 | 6.8 | 6.4 | 17.2 | 59.2 | 57.5 |
No treatment | 173 | 29.5 | 0.0 | 27.7 | 49.9 | 47.5 |
(4) Residency | ||||||
Muang and surrounding districts | 274 | 13.1 | 5.2 | 19.6 | 61.1 | 58.6 |
Other districts | 327 | 13.5 | 5.1 | 19.0 | 53.2 | 51.4 |
