Table 1.
Descriptive statistics and incidence density rates for ACGIH® categories for 2001 and 2018 guidelines.
| Variable | Mean | (SD) | Subjects | CTS Cases | Person-Years | Incidence Rate Per 100 person years (95% CI) |
|---|---|---|---|---|---|---|
| Total Cohort | 2751 | 186 | 6282 | 2.96 (2.55 – 3.42) | ||
| Age (years) | 39.6 | (11.5) | ||||
| Gender | ||||||
| Male | 1351 | 71 | ||||
| Female | 1400 | 115 | ||||
| BMI (kg/m2) | 28.4 | (6.1) | ||||
| NPFObs (Borg CR-10) – TWA | 2.8 | (1.7) | ||||
| HAL (0–10) – TWA | 4.3 | (1.8) | ||||
| ACGIH (2001) Exposure Categories | ||||||
| < AL | 1585 | 86 | 3879 | 2.22 (1.77 – 2.74) | ||
| ≥AL and ≤ TLV | 529 | 48 | 1219 | 3.94 (2.90 – 5.22) | ||
| > TLV | 637 | 52 | 1185 | 4.39 (3.28 – 5.76) | ||
| ACGIH (2018) Exposure Categories | ||||||
| < AL | 649 | 34 | 1618 | 2.11 (1.46 – 2.94) | ||
| ≥AL and ≤ TLV | 936 | 52 | 2261 | 2.30 (1.72 – 3.02) | ||
| > TLV | 1166 | 100 | 2404 | 4.16 (3.39 – 5.06) | ||