Table 2.

Data summaries of the eight published papers included in the current analysis regards to risk of road accidents.

Author Year—(Country)	Risk of Road Accidents
de Oliveira LG et al., 2015—(Brazil) [55]	NE
Garbarino S et al., 2017—(Italy) [51]	TDs with insomnia driving accidents OR 1.82 (95% CI 1.33–2.49) near-miss accidents OR 3.35 (95% CI 2.06–5.45)
Guglielmi O et al., 2018—(Italy) [52]	NE
Meuleners L et al., 2015—(Australia) [54]	TDs with OSA driving accidents OR 3.42 (95% CI 1.34–8.72) TDs with depression driving accidents OR 6.59 (95% CI 1.30–33.24) TDs with not completed fatigue management driving accidents OR 6.05 (95% CI 1.80–20.24) TDs older drivers driving accidents OR 0.25 (95% CI 0.08–0.82)
Rosso et al., 2016—(Italy) [53]	TDs with age > 55 years old sudden-onset sleepiness at the wheel OR 5.22 (95% CI 1.29–21.1) TDs driving more than 50,000 km per year sudden-onset sleepiness at the wheel OR 2.89 (95% CI 1.37–6.11) TDs with Chalder Fatigue Questionnaire score > 11 sudden-onset sleepiness at the wheel OR 2.97 (95% CI 1.22–7.21)
Shattell M et al., 2012—(USA) [56]	NE
Thiese MS et al., 2015—(USA) [57]	NE
Ulhôa MA et al., 2011—(Brazil) [8]	NE

NE: not evaluated.