Table 1.
Univariate comparison between patients undergoing diagnostic radiology examinations pre- and post-COVID-19 shutdown
| Variable | All Care Settings (n = 78,674), n (%) |
Outpatient Only (n = 67,140), n (%) |
||||
|---|---|---|---|---|---|---|
| Pre (n = 59,080) | Post (n = 19,594) | P Value | Pre (n = 50,194) | Post (n = 16,946) | P Value | |
| Age (y) | ||||||
| Mean | 56 | 56 | 57 | 57 | ||
| 18-29 | 5,232 (8.9) | 1,749 (8.9) | Reference | 3,673 (7.3) | 1,207 (7.1) | Reference |
| 30-39 | 6,898 (11.7) | 2,006 (10.2) | .0002∗ | 5,654 (11.3) | 1,629 (9.6) | .002∗ |
| 40-49 | 7,643 (12.9) | 2,467 (12.6) | .33 | 6,609 (13.2) | 2,167 (12.8) | .96 |
| 50-64 | 17,808 (30.1) | 6,092 (31.1) | .46 | 15,668 (31.2) | 5,444 (32.1) | .13 |
| 65-74 | 12,925 (21.9) | 4,370 (22.3) | .73 | 11,470 (22.8) | 4,002 (23.6) | .11 |
| 75-84 | 6,649 (11.3) | 2,311 (11.8) | .29 | 5,714 (11.4) | 2,054 (12.1) | .03∗ |
| 85+ | 1,925 (3.3) | 599 (3.1) | .19 | 1,406 (2.8) | 443 (2.6) | .51 |
| Male | 19,509 (33.0) | 6,276 (32.0) | .01∗ | 15,781 (31.4) | 5,045 (29.8) | <.0001∗ |
| Race | ||||||
| White | 44,187 (74.8) | 14,909 (76.1) | Reference | 38,562 (76.8) | 13,340 (78.7) | Reference |
| Black | 4,631 (7.8) | 1,294 (6.6) | <.0001∗ | 3,302 (6.6) | 886 (5.2) | <.0001∗ |
| Asian | 2,222 (3.8) | 667 (3.4) | <.01∗ | 1,971 (3.9) | 580 (3.4) | <.0001∗ |
| Other | 8,040 (13.6) | 2,724 (13.9) | .86 | 6,359 (12.7) | 2,140 (12.6) | .31 |
| Hispanic ethnicity | 1,852 (3.1) | 436 (2.2) | <.0001∗ | 1,384 (2.8) | 330 (1.9) | <.0001∗ |
| Priority community | 3,775 (6.4) | 345 (1.8) | <.0001∗ | 2,441 (4.9) | 224 (1.3) | <.0001∗ |
| Insurance | ||||||
| Private | 36,598 (61.9) | 12,159 (62.1) | Reference | 31,529 (62.8) | 10,613 (62.6) | Reference |
| Public | 20,012 (33.9) | 6,459 (33.0) | .10 | 16,478 (32.8) | 5,490 (32.4) | .59 |
| Other or unknown | 2,470 (4.2) | 976 (5.0) | <.0001∗ | 2,187 (4.4) | 843 (5.0) | .001∗ |
| Marital status | ||||||
| Single | 14,181 (24.0) | 4,782 (24.4) | Reference | 10,917 (21.7) | 3,692 (21.8) | Reference |
| Married | 32,482 (55.0) | 10,921 (55.7) | .88 | 28,855 (57.5) | 9,890 (58.4) | .55 |
| Divorced or separated | 4,324 (7.3) | 1,431 (7.3) | .59 | 3,661 (7.3) | 1,230 (7.2) | .86 |
| Other | 8,093 (13.7) | 2,460 (12.6) | .0002∗ | 6,761 (13.5) | 2,134 (12.6) | .03∗ |
| Modality | ||||||
| X-ray | 16,939 (28.7) | 4,875 (24.9) | Reference | 11,601 (23.1) | 3,438 (20.3) | Reference |
| CT | 11,463 (19.4) | 3,582 (18.3) | .001∗ | 9,532 (19.0) | 2,933 (17.3) | .19 |
| DEXA | 1,187 (2.0) | 493 (2.5) | <.0001∗ | 1,187 (2.4) | 493 (2.9) | <.0001∗ |
| Mammography | 7,386 (12.5) | 3,385 (17.3) | <.0001∗ | 7,383 (14.7) | 3,383 (20.0) | <.0001∗ |
| MR | 8,024 (13.6) | 2,772 (14.1) | <.0001∗ | 7,749 (15.4) | 2,654 (15.7) | <.0001∗ |
| Ultrasound | 11,732 (19.9) | 3,790 (19.3) | <.0001∗ | 10,417 (20.8) | 3,352 (19.8) | <.01∗ |
| Other | 2,349 (4.0) | 697 (3.6) | .51 | 2,325 (4.6) | 693 (4.1) | .90 |
| Setting | ||||||
| Emergency department | 5,287 (8.9) | 1,732 (8.8) | Reference | n/a | n/a | n/a |
| Inpatient | 3,599 (6.1) | 916 (4.7) | <.0001∗ | n/a | n/a | n/a |
| Outpatient | 50,194 (85.0) | 16,946 (86.5) | .30 | n/a | n/a | n/a |
COVID-19 = coronavirus disease 2019; DEXA = dual energy x-ray absorptiometry; n/a = not applicable; Post = postshutdown; Pre = preshutdown;
∗
Statistically significant.