Table 1 Demographics
From: MMP-2 and TIMP-1 predict healing of WTC-lung injury in New York City firefighters
| Â | Date/event | Baseline cohort | Sub-cohort controls | Resistant cases | p |
|---|---|---|---|---|---|
WTC Exposure, n(%) | High | 197 (25) | 21 (19) | 14 (18) | 1.000 |
| Â | Intermediate | 604 (75) | 90 (81) | 63 (82) | Â |
9/11 to PFT, months | MME | 2.7 (2.0-3.8) | 2.5 (2.0-3.2) | 2.6 (2.2-3.2) | 0.219 |
| Â | SPE | 33.8 (24.8-57.0) | 32.7 (24.6-57.4) | 32.5 (28.3-52.2) | 0.755 |
BMI, kg/m2 | MME | 28.0 (26–30) | 28.1 (26–31) | 27.3 (26–29) | 0.018 |
|  | SPE | 28.9 (27–31) | 29.1 (27–31) | 27.6 (26–30) | 0.010 |
Years of service | 9/11/01 | 13 (7–19) | 14 (7–18) | 14 (10–19) | 0.249 |
Age | 9/11/01 | 40 (36–45) | 41 (36–44) | 42 (38–46) | 0.159 |