Table 4. Unadjusted and adjusted odds ratio between different variable and bilateral CTS.

	Unadjusted OR (95%CI)	P value	Adjusted OR (95%CI)	P value
Unilateral symptom	1		1
Bilateral symptoms	6.2 (2.9–13.0)	<0.001	6.7 (3.1–14.3)	<0.001
No thenar muscle weakness	1		1
Thenar muscle weakness	3.4 (1.2–9.9)	0.022	3.9 (1.3–11.6)	0.015
Age < 45 years	1		1
Age ≥ 45 years	2.5 (1.4–4.4)	0.002	2.5 (1.3–4.6)	0.003
BMI < 30 kg/m2	1
BMI ≥ 30 kg/m2	2.9 (1.0–8.3)	0.029	NS	NS
Duration <90 days	1
Duration ≥90 days	1.9 (1.1–3.3)	0.034	NS	NS
No thenar muscle atrophy	1
Thenar muscle atrophy	5.6 (0.7–42.6)	0.094	NS	NS
No thyroid disease	1
Thyroid disease	0.3 (0.1–1.1)	0.067	NS	NS

Abbreviations: OR = Odds ratio, NS = not significant.