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. 2023 Jul 26;6(7):e2325591. doi: 10.1001/jamanetworkopen.2023.25591

Table. Sampled County Population and Sewershed Data, and Reported Case and Hospitalization Rates by Calendar Quarters of 2022.

Variable Counties (n = 268)a Reported new cases, median (IQR), No./100 000 population Reported new hospitalizations, median (IQR), No./100 000 population
Total county population, median (IQR), No. of residents 95 938 (44 697-294 772) NA NA
Population served by sampled sewersheds, median (IQR), No. of residents 49 831 (14 292-221 250) NA NA
Sampled sewersheds per county, median (IQR), No. 1 (1-2) NA NA
Weeks with available data, median (IQR)b 39 (38-39) NA NA
Calendar quarters of 2022
January to March NA 246 (73-928) 12 (4-28)
April to June NA 132 (60-211) 5 (2-9)
July to September NA 180 (129-238) 10 (5-16)

Abbreviation: NA, not applicable.

a

The number of counties for quarter 3 (July-September) was 263.

b

The total study period from January 1, 2022, through September 30, 2022, spanned 39 calendar weeks.