Postoperative cure in Iranian patients with gastric cancer: estimating the crude conditional probability in a relative survival setting in the presence of competing risks
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30. Dez. 2017
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Artikel-Kategorie: Brief communication
Online veröffentlicht: 30. Dez. 2017
Seitenbereich: 461 - 467
DOI: https://doi.org/10.1515/abm-2018-0023
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© 2017 Fatemeh Paknazar et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Figure 1
Figure 2. A
Statistical crude ratios of patients who died from causes other than gastric cancer estimated using the flexible parametric cure model in the presence of competing risks by stage and age at diagnosis and sex
| Stage at | Age at diagnosis | Ratio (95% CI) | |
|---|---|---|---|
| diagnosis | (years) | Men | Women |
| I and II | 50 | 0.69 (0.46, 0.84) | 0.63 (0.28, 0.80) |
| 60 | 0.48 (0.31, 0.63) | 0.45 (0.24, 0.64) | |
| 70 | 0.40 (0.18, 0.61) | 0.25 (0.08, 0.45) | |
| 80 | 0.08 (0.02, 0.26) | 0.05 (0.01, 0.27) | |
| III | 50 | 0.49 (0.25, 0.69) | 0.20 (0.01, 0.54) |
| 60 | 0.45 (0.24, 0.64) | 0.17 (0.08, 0.29) | |
| 70 | 0.28 (0.14, 0.43) | 0.11 (0.04, 0.25) | |
| 80 | 0.07 (0.01, 0.17) | 0.06 (0.01, 0.25) | |
| IV | 50 | 0.32 (0.19, 0.45) | 0.27 (0.13, 0.42) |
| 60 | 0.22 (0.14, 0.31) | 0.12 (0.03, 0.28) | |
| 70 | 0.14 (0.08, 0.22) | 0.10 (0.02, 0.19) | |
| 80 | 0.04 (0.01, 0.14) | 0.03 (0.01, 0.16) | |
Characteristics of the patients with gastric cancer (1993–2000)
| Characteristics | No. (%) | No. of deaths (%)† | Percentage of deaths |
|---|---|---|---|
| Total | 326 | 235 | 72.1 |
| Stage at diagnosis | |||
| I | 22 (6.7) | 13 (5.5) | 59.1 |
| II | 60 (18.4) | 35 (14.9) | 58.3 |
| III | 53 (16.3) | 37 (15.8) | 69.8 |
| IV | 191 (58.6) | 150 (63.8) | 78.5 |
| Age at diagnosis (years) | |||
| <61 | 87 (26.7) | 52 (22.1) | 59.7 |
| 61–70 | 122 (37.4) | 83 (35.3) | 68.0 |
| >70 | 117 (35.9) | 100 (42.6) | 85.5 |
| Year of diagnosis | |||
| Before 1996 | 76 (23.3) | 55 (23.4) | 72.4 |
| 1996–1997 | 109 (33.4) | 81 (34.5) | 74.3 |
| After 1997 | 141 (43.3) | 99 (42.1) | 70.2 |
| Sex | |||
| Male | 224 (68.7) | 155 (65.9) | 69.2 |
| Female | 102 (31.3) | 80 (34.1) | 78.4 |