Table 1.
Suicide rates among patients with cancers of the digestive system according to patient characteristics
| Persons (%) | Person-years (%) | Observed | Expected | SMR (95% CI) | Absolute excess riska |
Suicides per 100,000 person-years |
|
|---|---|---|---|---|---|---|---|
| Overall | 856,292 (100.0) | 2,688,837 (100.0) | 881 | 461.38 | 1.91 (1.79, 2.04) | 1.56 | 32.77 |
| Site | |||||||
| Esophagus | 43912 (5.1) | 75,514 (2.8) | 88 | 17.50 | 5.03 (4.03, 6.19) | 9.34 | 116.54 |
| Colon | 318861 (37.2) | 1,364,509 (50.7) | 311 | 228.21 | 1.36 (1.22, 1.52) | 0.61 | 22.79 |
| Rectum and rectosigmoid junction | 134913 (15.8) | 619,867 (23.1) | 185 | 112.27 | 1.65 (1.42, 1.90) | 1.17 | 29.85 |
| Liver and intrahepatic bile duct | 81684 (9.5) | 118,615 (4.4) | 47 | 21.93 | 2.14 (1.58, 2.85) | 2.11 | 39.62 |
| Pancreas | 119194 (13.9) | 108,093 (4.0) | 93 | 17.62 | 5.28 (4.26, 6.47) | 6.97 | 86.04 |
| Stomach | 76313 (8.9) | 165,987 (6.2) | 81 | 28.52 | 2.84 (2.26, 3.53) | 3.16 | 48.80 |
| Otherb | 81415 (9.5) | 236,253 (8.8) | 76 | 35.34 | 2.15 (1.69, 2.69) | 1.72 | 32.17 |
| Sex | |||||||
| Men | 465,628 (54.4) | 1,412,882 (52.5) | 775 | 393.19 | 1.97 (1.83, 2.11) | 2.70 | 54.85 |
| Women | 390,664 (45.6) | 1,275,955 (47.5) | 106 | 68.19 | 1.55 (1.27, 1.88) | 0.30 | 8.31 |
| Age at diagnosis | |||||||
| <50 | 94,086 (11.0) | 380,553 (14.2) | 102 | 66.43 | 1.54 (1.25, 1.86) | 0.93 | 26.80 |
| 50–59 | 174,665 (20.4) | 635,007 (23.6) | 158 | 110.95 | 1.42 (1.21, 1.66) | 0.74 | 24.88 |
| 60–69 | 212,613 (24.8) | 712,769 (26.5) | 261 | 110.71 | 2.36 (2.08, 2.66) | 2.11 | 36.62 |
| 70–79 | 206,133 (24.1) | 626,220 (23.3) | 231 | 110.86 | 2.08 (1.82, 2.37) | 1.92 | 36.89 |
| 80+ | 168,795 (19.7) | 334,287 (12.4) | 129 | 62.43 | 2.07 (1.73, 2.46) | 1.99 | 38.59 |
| Race | |||||||
| White | 670,545 (78.3) | 2,143,777 (79.7) | 783 | 423.02 | 1.85 (1.72, 1.99) | 1.68 | 36.52 |
| Black | 104,437 (12.2) | 296,543 (11.0) | 34 | 15.94 | 2.13 (1.48, 2.98) | 0.61 | 11.47 |
| Other | 81,310 (9.5) | 248,517 (9.2) | 64 | 22.43 | 2.85 (2.20, 3.64) | 1.67 | 25.75 |
| Marital status | |||||||
| Unmarriedc | 361,662 (42.2) | 967,374 (36.0) | 381 | 130.56 | 2.92 (2.63, 3.23) | 2.59 | 39.38 |
| Married | 452,271 (52.8) | 1,588,600 (59.1) | 454 | 308.62 | 1.47 (1.34, 1.61) | 0.92 | 28.58 |
| Unknown | 42,359 (4.9) | 132,863 (4.9) | 46 | ||||
| Stage | |||||||
| Localized | 280,517 (32.8) | 1,327,814 (49.4) | 326 | 230.69 | 1.41 (1.26, 1.58) | 0.72 | 24.55 |
| Regional | 269,625 (31.5) | 976,891 (36.3) | 293 | 166.85 | 1.76 (1.56, 1.97) | 1.29 | 29.99 |
| Distant | 240,693 (28.1) | 273,669 (10.2) | 209 | 45.48 | 4.60 (3.99, 5.26) | 5.97 | 76.37 |
| Unknown | 65,457 (7.6) | 110,463 (4.1) | 53 | ||||
| Surgery | |||||||
| Yes | 515,121 (60.2) | 2,317,761 (86.2) | 551 | 397.01 | 1.39 (1.27, 1.51) | 0.66 | 23.77 |
| No | 330,539 (38.6) | 350,903 (13.1) | 316 | 60.75 | 5.20 (4.64, 5.81) | 7.27 | 90.05 |
| Unknown | 10,632 (1.2) | 20,173 (0.8) | 14 | ||||
a
Excess per 10,000 person-years
b
Other includes small intestine, anus, anal canal and anorectum, gallbladder, other biliary, retroperitoneum, peritoneum, omentum, and mesentery, and other digestive organs
c
Includes single, widowed, divorced, and unmarried or domestic partner