Table 1. Characteristics of the Study Cohorts
Variable Total (n=789) Immunocompetent (n=672) Immunosuppressed (n=117)
Female (%) 354 (44.9%) 308 (45.8%) 46 (39.3%)
Median Age 62 61.5 67
Immunosuppressed (%) 117 (14.8%) 0 (0%) 117 (100%)
With Transplant (%) 97 (12.3%) 0 (0%) 97 (82.9%)
On Immunosuppressive Meds (%) 25 (3.17%) 0 (0%) 25 (21.4%)
MGH (%) 389 (49.3%) 366 (54.5%) 23 (19.7%)
BWH (%) 400 (50.7%) 306 (45.5%) 94 (80.3%)
Tests Ordered CSF IgM (%) 204 (25.9%) 184 (27.4%) 20 (17.1%)
Tests Ordered CSF PCR (%) 673 (85.3%) 568 (84.5)% 105 (89.7%)
Tests Ordered Serum IgM (%) 53 (6.7%) 45 (6.7%) 8 (6.8)%
Tests Ordered Serum PCR (%) 37 (4.7%) 29 (4.3%) 8 (6.8%)
Positive CSF IgM 6 (2.9%) 6 (3.3%) 0 (0%)
Positive CSF_PCR 1 (0.15%) 1 (0.18%) 0 (0%)
Positive Serum IgM 3 (5.7%) 3 (6.7%) 0 (0%)
Positive_Serum PCR 0 (0%) 0 (0%) 0 (0%)