Table 1.
Patient Characteristics with and without Alzheimer’s Disease and Related Dementias (ADRD)
| Variable | Overall N=5,926 |
No ADRD N=5,641 |
ADRD N=285 |
p- value |
|---|---|---|---|---|
| Age, years, median (SE) | 73.6 (0.13) | 73.3 (0.12) | 80.0 (0.58) | <0.001 |
| Female Sex, No. (%) | 3,419 (57.69) | 3,245 (57.53) | 174 (61.05) | 0.240 |
| White, No. (%) | 5,238 (88.39) | 4,989 (88.44) | 249 (87.37) | 0.581 |
| Emergency Operation, No. (%) | 844 (14.24) | 765 (13.56) | 79 (27.72) | <0.001 |
| Type of Operation, No. (%) | 0.004 | |||
| APR* | - | 193 (3.42) | <11 | |
| Colostomy with or without colectomy | 216 (3.64) | 202 (3.58) | 14 (4.91) | |
| Laparoscopic Partial Colectomy | 1,130 (19.07) | 1,094 (19.39) | 36 (12.63) | |
| Open Partial Colectomy | 3,316 (55.96) | 3,135 (55.58) | 181 (63.51) | |
| Other Rectal | 787 (13.28) | 759 (13.46) | 28 (9.82) | |
| Pull through | - | 74 (1.31) | <11 | |
| Total Colectomy | 195 (3.29) | 184 (3.26) | 11 (3.86) | |
| Indication, No. (%) | <0.001 | |||
| Cancer | 2,412 (40.70) | 2,316 (41.06) | 96 (33.68) | |
| Cancer, Other Site | 866 (14.61) | 849 (15.05) | 17 (5.96) | |
| Diverticular Disease | 739 (12.47) | 701 (12.43) | 38 (13.33) | |
| Benign Neoplasm | - | 412 (7.30) | - | |
| Obstruction | 213 (3.59) | 188 (3.33) | 25 (8.77) | |
| Inflammatory Bowel Disease | - | 163 (2.89) | <11 | |
| Prolapse | 159 (2.68) | 136 (2.41) | 23 (8.07) | |
| Perforation or Fistula | 188 (3.17) | 174 (3.08) | 14 (4.91) | |
| Vascular or Bleeding | 199 (3.36) | 183 (3.24) | 16 (5.61) | |
| Infection | 222 (3.75) | 205 (3.63) | 17 (5.96) | |
| Other | 337 (5.69) | 314 (5.57) | 23 (8.07) | |
| Elixhauser Score, median (SE) | 11.24 (0.27) | 11.24 (0.28) | 14.00 (1.01) | 0.008 |
| Additional Procedures During Index Admission, No. (%) | <0.001 | |||
| None | 5,136 (86.67) | 4,911 (87.06) | 225 (78.95) | |
| One | 388 (6.55) | 352 (6.24) | 36 (12.63) | |
| More than One | 402 (6.78) | 378 (6.70) | 24 (8.42) |
Note: If count less than 11, the count is reported as < 11 and total is redacted per the data use agreement.
*
APR, abdomino-perineal resection