Volume 28, Number 5—May 2022
Research
Risk for Asymptomatic Household Transmission of Clostridioides difficile Infection Associated with Recently Hospitalized Family Members
Table 1
Baseline enrollment characteristics of families with multiple infected members using a 60-day exposure window in study of asymptomatic Clostridioides difficile transmission among household members, United States*
Characteristics |
All enrollees. no. (%) |
No. (%) episodes of index CDI diagnosis† |
No. (%) cases of possible transmission after family member hospitalization |
No. CDI cases | NA | 224,818 | 6,575 |
No. enrollees |
142,125,247 (100) |
194,424 (100) |
6,453 (100) |
Age group at enrollment or CDI diagnosis, y | |||
0–17 | 47,733,847 (33.6) | 19,719 (8.8) | 547 (8.3) |
18–40 | 46,634,859 (32.8) | 37,259 (16.6) | 1,156 (17.6) |
41–65 | 44,039,682 (31.0) | 103,430 (46.0) | 1,822 (27.7) |
>65 |
3,716,859 (2.6) |
64,410 (28.6) |
3,050 (46.4) |
Sex | |||
M | 70,485,475 (49.6) | 99,133 (44.1) | 2,798 (42.6) |
F |
71,639,772 (50.4) |
125,685 (55.9) |
3,777 (57.4) |
Family size | |||
2 | 36,598,138 (25.8) | 134,644 (59.9) | 4,166 (63.4) |
3 | 29,857,746 (21.0) | 36,236 (16.1) | 905 (13.8) |
4 | 40,705,784 (28.6) | 34,559 (15.4) | 839 (12.8) |
5 | 21,536,725 (15.2) | 13,517 (6.0) | 409 (6.2) |
>5 | 13,426,854 (9.4) | 5,862 (2.6) | 256 (3.9) |
*CDI, Clostridioides difficile infection; NA, not applicable. †Events occurring >60 days before another episode.