Significance of Fib4 index as an indicator of alcoholic hepatotoxicity in health examinations among Japanese male workers: a cross-sectional and retrospectively longitudinal study

Table 2 Cross table of alcohol drinking and GGT at FY2000, FY2010, and FY2019

Alcohol drinking at FY2000	GGT at FY2000 (baseline)					GGT at FY2010					GGT at FY2019
Alcohol drinking at FY2000	> 40 (U/l)	40–70	70–200	≥ 200	Total	> 40	40–70	70–200	≥ 200	Total	> 40	40–70	≥ 200	Total
Never	1088	370	124	11	1593	850	183	66	7	1106	559	103	4	706
	68.3%	23.2%	7.8%	0.7%	100%	76.9%	16.5%	6.0%	0.6%	100%	79%	15%	1%	100%
> 20 g/day	1774	845	504	49	3172	1438	535	298	32	2303	992	325	23	1492
	55.9%	26.6%	15.9%	1.5%	100%	62.4%	23.2%	12.9%	1.4%	100%	67%	22%	2%	100%
20–40 g/day	751	643	574	83	2051	653	425	350	64	1492	479	261	36	973
	36.6%	31.4%	28.0%	4.0%	100%	43.8%	28.5%	23.5%	4.3%	100%	49%	27%	4%	100%
> 40 g/day	240	311	386	66	1003	227	215	227	44	713	181	117	31	460
	23.9%	31.0%	38.5%	6.6%	100%	31.8%	30.2%	31.8%	6.2%	100%	39.3%	25.4%	6.7%	100%
Total	3853	2169	1588	209	7819	3168	1358	941	147	5614	2211	806	94	3631
	49.3%	27.7%	20.3%	2.7%	100%	56.4%	24.2%	16.8%	2.6%	100%	60.9%	22.2%	2.6%	100%
Kappa					0.081					0.079				0.073
Spearman's coefficient					0.324					0.316				0.289

ISSN: 2047-783X