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. 2021 Dec 20;18(12):e1003872. doi: 10.1371/journal.pmed.1003872

Table 3. Characteristics of sites that enrolled patients in the US Expanded Access Program (EAP) for convalescent plasma.

Characteristic Number of sites/total number (percent)
Census region or territory
    Midwest 515/2,211 (23.3%)
    Northeast 350/2,211 (15.8%)
    South 891/2,211 (40.3%)
    West 423/2,211 (19.1%)
    US territory 32/2,211 (1.4%)
Micro/metropolitan
    Metropolitan 1,903/2,211 (86.1%)
    Micropolitan 243/2,211 (11.0%)
    Neither 65/2,211 (2.9%)
Urban/rural classification
    Rural 595/2,081 (28.6%)
    Urban 1,486/2,081 (71.4%)
Sole community hospital
    No 1,975/2,174 (90.8%)
    Yes 199/2,174 (9.2%)
Rural referral center
    No 1,824/2,174 (83.9%)
    Yes 350/2,174 (16.1%)
Major teaching hospital (member of COTH)
    No 1,598/2,042 (78.3%)
    Yes 444/2,042 (21.7%)
University affiliated
    No 1,120/2,174 (51.5%)
    Yes 1,054/2,174 (48.5%)

COTH, Council of Teaching Hospitals.