Increased Risk of Coronary Artery Disease in People with a Previous Diagnosis of Carpal Tunnel Syndrome: A Nationwide Retrospective Population-Based Case-Control Study

Table 1

Demographic and clinical characteristics of the study population.

Variable	No CAD (controls)		CAD (cases)		P-value
	(n=70,622)		(n=70,622)
	n	%	n	%
CTS^Ɨ					<.0001
No	69,549	98.48	68,761	97.36
Yes	1,073	1.52	1,861	2.64
Sex^Ɨ					0.99
Female	33,234	47.06	33,234	47.06
Male	37,388	52.94	37,388	52.94
Age, years^Ɨ					0.9542
<18	162	0.23	152	0.22
18–39	4,219	5.97	4,229	5.99
40–65	39,967	56.59	39,967	56.59
>65	26,274	37.20	26,274	37.2
Mean ± SD^‡	60.01±13.45		60.14±13.35		0.0677
Comorbidity^Ɨ
Diabetes mellitus	10,580	14.98	18,925	26.80	<.0001
Hypertension	24,189	34.25	45,483	64.40	<.0001
Hyperlipidemia	14,069	19.92	27,638	39.14	<.0001

CAD = coronary artery disease; CTS = carpal tunnel syndrome; SD = standard deviation. Tests used: ^ƗPearson’s chi-squared test; ^‡Two-sample t-test. P <0.001 vs controls.