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. 2021 Oct 28;7(4):e19812. doi: 10.2196/19812

Table 1.

Demographics of the sampled data set.

Demographic HCC (n=9553) Control (n=38,392) Difference
Age (years), mean (SD) 59.9 (14) 47.5 (17.3) N/A
Male, n (%) 6175 (64.6) 18489 (48.2) N/A
ICD-9a, mean diagnoses per patient in 3 years (ordered by difference)

Total 126.2 78.1 48.1

571 (Chronic liver disease and cirrhosis) 8.36 0.61 7.75

250 (diabetes mellitus) 6.23 2.27 3.96

070 (viral hepatitis) 3.19 0.3 2.89

401 (essential hypertension) 5.43 2.83 2.59

465 (acute upper respiratory infections) 5.37 3.63 1.73

780 (general symptoms) 4.16 2.43 1.73

533 (peptic ulcer) 1.93 0.55 1.38

372 (disorders of conjunctiva) 2.78 1.59 1.19

724 (disorders of back) 2.38 1.22 1.17

402 (hypertensive heart disease) 1.89 0.76 1.12
ATCb code, mean prescribed days per patient in 3 years (ordered by difference)

Total 2362 1099 1263

A05BA (liver therapy) 97.87 5.8 92.08

A10BB (blood glucose–lowering drugs) 93.51 29.88 63.63

C08CA (selective calcium channel blockers with vascular effects) 119.37 60.93 58.44

A10BA (blood glucose–lowering drugs) 77.87 32.36 45.51

B01AC (platelet aggregation inhibitors) 87.12 45.71 41.42

N05BA (benzodiazepine, for anxiolytics) 71.18 34.29 36.89

A02AX (antacids for acid related disorders) 42.61 14.68 27.93

C07AB (beta=blocking agents, cardiovascular system) 58.82 31.39 27.43

C09AA (ACEc inhibitors, cardiovascular system) 42.13 15.36 26.77

A02AF (antacids with antiflatulents) 27.91 2.06 25.84

aICD-9: International Classification of Disease, Ninth Revision.

bATC: Anatomical Therapeutic Chemical (classification system).

cACE: angiotensin-converting enzyme.