| Risk on TB Nomogram ETCOc (ppm; median; IQR) | ETCOc <1.0 | 1.0≤ ETCOc ≤1.5 | 1.5< ETCOc <2.5 | ETCOC >2.5 |
|---|---|---|---|---|
| TB<40th %tile (n=18) ETCOc (1.3; 1.1–1.6) | 4 (22%) | 9 (50%) | 5 (28%) | 0 (0%) |
| TB=40th to 75th %tile (n=34) ETCOc (1.2; 1.1–1.7) | 3 (9%) | 19 (56%) | 12 (35%) | 0 (0%) |
| TB>75 ≤ 95th %tile (n=25) ETCOc (1.8; 1.4–2.0) | 0 (0%) | 9 (36%) | 14 (56%) | 2 (8%) |
| TB>95th %tile (n=4) ETCOc (2.7; 2.4–3.0) | 0 (0%) | 0 (0%) | 1 (25%) | 3 (75%) |
| Total (n=82) | 7 (9%) | 38 (47%) | 32 (40%) | 5 (6%) |