Table 2. Stratification of clinical samples by NCDQ values.
NCDQ group labelNCDQ categoryNCDQ group rangeCohort 1 cases, n (%)Cohort 2 cases, n (%)Cohort 1 versus cohort 2 (P)
No flagNormal+50 to +10272,414 (99.29)16,776 (99.35)0.383
Flagged
  ABorderline0 to <50272 (0.37)64 (0.38)0.889
  BWarning−100 to 0125 (0.17)24 (0.14)0.463
  CAbnormal−1000 to <−10091 (0.12)18 (0.11)0.624
  DAbnormal<−100030 (0.04)3 (0.02)0.185
Total518/72,932 (100)109/16,885 (100)0.535 (across all groups)