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Table 1 Inclusion and exclusion criteria for the epidemiological studies of the association between computer work and carpal tunnel syndrome.

From: Carpal tunnel syndrome and the use of computer mouse and keyboard: A systematic review

CTS: Carpal tunnel syndrome
NCT: Nerve conduction test
Inclusion criteria
English language, peer-reviewed articles with original data
Study design
   Longitudinal studies
   Cross sectional studies
   Case referent studies
Population
   Should include both an exposed group and a control group
Exposure
   Computer work (keyboard or mouse) or typing should be defined as the exposure
Outcome definition
1. Symptoms (questionnaire or interview or both) of CTS in combination with NCT or 2) Symptoms alone but confirmed by qualitative interview.
Exclusion criteria
Population
   Studies using workers' compensation data
Outcome definition
   Studies where CTS was diagnosed using questionnaire symptoms only, NCT only, or clinical tests as Tinel's and Phalen's tests only