TABLE 3

Microbiologic analyses of samples by cohort and time point (ITT population)c

Visit
(swab)
CohortAge groupAnalysis method, na
SeroagglutinationIsolate
PCR
Direct
swab
PCR
Isolate
WGS
Isolate
LCPA
MLST
Visit 119th grade3636469
11th grade21361212121
2University87102327
Visit 219th grade2828339
11th grade18363181818
2University6877342
Visit 319th grade3334451
College entry22356222222
2University3539338
Any visitb19th grade48533531
College entry31363313131
2University99360359
  • a n = number of subjects with specified test performed at that visit.

  • b n = number of subjects with ≥1 specified test performed at any visit.

  • c Abbreviations: ITT, intent-to-treat; LCPA, live cell phenotypic assay; MLST, multilocus sequence typing; WGS, whole-genome sequencing.