Table 5 Dose–response relationship between cumulative exposure to key board use and CTS
From: Cumulative keyboard strokes: a possible risk factor for carpal tunnel syndrome
Cumulative exposure (key board-years) | CTS. | OR |
|---|---|---|
n/total (%) | ||
High exposure | ||
≥335.400.001 | 56/103 (54.4) | 5.69 |
Medium exposure | ||
208.000.001-335.400.000 | 46/101 (45.5) | 4.00 |
Low exposure | ||
101.400.001-208.000.000 | 35/107 (32.7) | 2.32 |
Very low exposure | ||
≤101.400.000 | 18/104 (17.3 %) | 1.00 (ref) |