TABLE 1.
Cohort | Source | No. of specimens | STTT result (%) |
|||
---|---|---|---|---|---|---|
Negative | IgG+b | IgG+, IgM+b | IgM+b | |||
Lyme disease discovery cohort | MC | 222 | 0 (0) | 96 (43) | 13 (6) | 113 (51) |
Lyme disease validation cohort | MC | 454 | 0 (0) | 97 (21) | 163 (36) | 194 (43) |
Controls | ||||||
Discovery cohort (tested)d | CDC | 39 | 36 (92) | 0 (0) | 0 (0) | 3 (8) |
Discovery cohort (untested) | Commercial | 391 | NA | NA | NA | NA |
Validation cohort (untested) | Commercial | 1,076 | NA | NA | NA | NA |
Clinically defined Lymec | CDC | 71 | ||||
Lyme arthritis, carditis, neuroborelliosis | 37 | 0 (0) | 20 (54) | 13 (35) | 4 (11) | |
Acute | 34 | 20 (59) | 3 (9) | 4 (12) | 7 (21) | |
Convalescent (matched) | 34 | 10 (29) | 5 (15) | 7 (21) | 12 (35) | |
Clinically defined Lyme | LDB | 48 | ||||
Early | 25 | 13 (52) | 1 (4) | 4 (17) | 7 (30) | |
Acute | 23 | 13 (52) | 2 (9) | 0 (0) | 9 (39) | |
Convalescent (matched) | 23 | 10 (43) | 1 (4) | 4 (17) | 8 (35) | |
Clinically defined controls | CDC | 131 | ||||
Endemic, nonendemicd | 53 | 53 (100) | 0 (0) | 0 (0) | 0 (0) | |
Mononucleosisd | 21 | 18 (86) | 0 (0) | 0 (0) | 3 (14) | |
Fibromyalgia | 16 | 16 (100) | 0 (0) | 0 (0) | 0 (0) | |
Multiple sclerosis | 11 | 11 (100) | 0 (0) | 0 (0) | 0 (0) | |
Rheumatoid arthritis | 10 | 10 (100) | 0 (0) | 0 (0) | 0 (0) | |
Syphilis | 10 | 9 (90) | 0 (0) | 0 (0) | 1 (10) | |
Periodontitis | 10 | 9 (90) | 0 (0) | 0 (0) | 1 (10) | |
Clinically defined controls | LDB | 126 | 124 (98) | 1 (1) | 0 (0) | 1 (1) |
Abbreviations: CDC, Centers for Disease Control and Prevention; LDB, Lyme Disease Biobank; MC, Mayo Clinic; NA, not applicable.
IgG+, IgG positive; IgM+, IgM positive.
Forty-two clinically defined Lyme disease samples were included into Lyme panel discovery.
Nineteen endemic and nonendemic samples plus twenty mononucleosis control samples were included in the Lyme panel discovery.