Table 2.
Univariate analysis of screening/surveillance and diagnostic colonoscopy continuous wait times (d)
| Variable | Level | Screening/surveillance colonoscopy | Diagnostic colonoscopy | ||||||
| N | Median | IQR | P valuea | N | Median | IQR | P valuea | ||
| Age (as a categorical variable) | <45 | 126 | 67.00 | 81.00 | 0.0018 | 556 | 39.50 | 51.00 | 0.0113 |
| 45–65 | 2,366 | 60.00 | 75.00 | 799 | 44.00 | 54.00 | |||
| >65 | 911 | 69.00 | 76.00 | 541 | 39.00 | 53.00 | |||
| Sex | Female | 1,691 | 62.00 | 76.00 | 0.2308 | 1,086 | 42.50 | 53.00 | 0.1281 |
| Male | 1712 | 63.50 | 74.50 | 810 | 39.50 | 49.00 | |||
| Race | Not White | 697 | 61.00 | 74.00 | 0.3482 | 499 | 48.00 | 53.00 | <0.0001 |
| White | 2,668 | 63.50 | 75.00 | 1,376 | 39.00 | 50.00 | |||
| Ethnicity | Hispanic or Latino | 403 | 63.00 | 77.00 | 0.5135 | 366 | 50.50 | 60.00 | <0.0001 |
| Not Hispanic or Latino | 2,906 | 63.00 | 74.00 | 1,481 | 39.00 | 49.00 | |||
| Preferred language | English | 3,196 | 63.00 | 74.00 | 0.4272 | 1,677 | 40.00 | 49.00 | <0.0001 |
| Non-English | 203 | 63.00 | 89.00 | 219 | 57.00 | 64.00 | |||
| Insurance | Insured | 3,270 | 62.00 | 75.00 | <0.0001 | 1,688 | 38.00 | 48.00 | <0.0001 |
| Underinsured | 133 | 86.00 | 96.00 | 208 | 70.00 | 70.50 | |||
| Colonoscopy period | Prepandemic | 222 | 54.50 | 46.00 | <0.0001 | 241 | 50.00 | 50.00 | <0.0001 |
| Pandemic | 150 | 43.50 | 43.00 | 175 | 31.00 | 40.00 | |||
| Postpandemic | 235 | 71.00 | 69.00 | 226 | 51.00 | 65.00 | |||
| PN phase 1 | 1,122 | 62.00 | 69.00 | 600 | 38.00 | 50.50 | |||
| PN phase 2 | 1,674 | 71.00 | 84.00 | 654 | 41.00 | 49.00 | |||
| CRC diagnosis | No | 3,395 | 63.00 | 74.00 | 0.4950 | 1867 | 42.00 | 51.00 | 0.0010 |
| Yes | 8 | 42.50 | 88.50 | 29 | 22.00 | 38.00 | |||
CRC, colorectal cancer; IQR, interquartile range.
P values were from Wilcoxon rank-sum test for variables having 2 categories and Kruskal-Wallis test for variables having more than 2 categories.
There were 38, 94, and 4 screening/surveillance colonoscopy patients with no race, ethnicity, and preferred language information. There were 21 and 49 diagnostic colonoscopy patients with no race and ethnicity information.
Significant P values are displayed in bold.