Liver Governs Tendon: A Theory from Traditional Chinese Medicine—Evidence from a Population-Based Matched Cohort Study in Taiwan for the Association of Chronic Liver Disease and Common Diseases in the Chiropractic Office

Table 1

Demographic characteristics and comorbidity in patients with and without chronic liver disease.

Variables	Chronic liver disease				value
	No		Yes
	()		()
	Sex
Female	25472	32.2	6368	32.2	0.99
Male	53632	67.8	13408	67.8
Age, years
18–39	48396	61.18	12099	61.18	0.99
40–64	28260	35.73	7065	35.73
More than 65	2448	3.09	612	3.09
Mean (SD)	37.26 ± 12.82		37.64 ± 12.56		0.0002
Baseline comorbidity
Major trauma	55668	70.37	15592	78.84	<0.0001
Anemic disorder	2732	3.45	1538	7.78	<0.0001
HBV	0	0	4637	—	—
HCV	0	0	1008	—	—
Acute alcoholic hepatitis (ICD-9-CM: 571.1)	0	0	401	—	—
Alcoholic cirrhosis of liver (ICD-9-CM: 571.2)	0	0	527	—	—
Chronic hepatitis (ICD-9-CM: 571.4)	0	0	17421	—	—
Outcome
Internal derangement of knee	357	0.45	125	0.63	0.0011

Chi-square test; two-sample -test.