. 2021 Dec 15;12(12):2119–2129. doi: 10.4239/wjd.v12.i12.2119

Table 1.

Characteristics of male participants according to appendicular skeletal muscle mass (%) quartiles, n (%)

Male	Quartiles of ASM%				P value	Female	Quartiles of ASM%				P value
	Q1	Q2	Q3	Q4			Q1	Q2	Q3	Q4
	n = 343	n = 343	n = 343	n = 342			n = 649	n = 651	n = 649	n = 650
Age (yr)	61.6 ± 8.8	63.2 ± 8.9^a	63.2 ± 8.9^a	69.4 ± 10.1^a	< 0.001	Age, yr	60.8 ± 8.7	61.7 ± 8.8^a	62.9 ± 9.4^a	64.8 ± 9.7^a	< 0.001
BMI (kg/m²)	22.7 ± 2.9	24.3 ± 3.4^a	24.3 ± 3.4^a	25.6 ± 2.9^a	< 0.001	Weight, kg	55.1 ± 8.1	58.0 ± 8.3^a	59.8 ± 8.6^a	62.6 ± 9.7^a	< 0.001
WC, cm	80.6 ± 9.1	85.8 ± 7.7^a	85.8 ± 7.7^a	91.7 ± 8.5^a	< 0.001	BMI, kg/m²	22.0 ± 2.7	23.5 ± 2.9^a	24.4 ± 3.1^a	26.0 ± 3.7^a	< 0.001
FM, kg	17.9 ± 4.6	20.3 ± 4.3^a	20.3 ± 4.3^a	24.5 ± 4.9^a	< 0.001	WC, cm	76.4 ± 7.9	80.5 ± 8.6^a	82.8 ± 8.5^a	87.5 ± 9.4^a	< 0.001
FM%	22.4 ± 4.2	27.2 ± 3.2^a	27.2 ± 3.2^a	33.1 ± 3.3^a	< 0.001	FM, kg	20.0 ± 4.1	22.5 ± 4.2^a	24.8 ± 4.8^a	27.6 ± 5.8^a	< 0.001
ASM%	32.6 ± 1.9	30.6 ± 1.0^a	30.6 ± 1.0^a	27.2 ± 1.6^a	< 0.001	FM%	32.2 ± 3.9	36.3 ± 2.9^a	38.8 ± 3.0^a	42.4 ± 3.4^a	< 0.001
SBP, mmHg	129 ± 18	134 ± 17^a	134 ± 17^a	141 ± 19^a	< 0.001	ASM%	27.7 ± 2.0	25.7 ± 0.8^a	24.5 ± 0.6^a	22.8 ± 1.1^a	< 0.001
DBP, mmHg	76 ± 11	78 ± 11^a	78 ± 11^a	77 ± 10	0.014	SBP, mmHg	129 ± 20	132 ± 19^a	135 ± 20^a	138 ± 19^a	< 0.001
FBG, mmol/L	5.4 ± 1.4	5.7 ± 1.7^a	5.7 ± 1.7^a	6.0 ± 1.7^a	< 0.001	DBP, mmHg	72 ± 10	74 ± 10^a	75 ± 9	76 ± 10^a	< 0.001
2hBG, mmol/L	6.7 ± 2.5	7.6 ± 2.9^a	7.6 ± 2.9^a	8.9 ± 3.7^a	< 0.001	FBG, mmol/L	5.3 ± 1.0	5.4 ± 1.2^a	5.5 ± 1.3^a	5.7 ± 1.7^a	< 0.001
HOMA-IR	1.2 (0.8-1.9)	1.8 (1.2-2.5)^a	1.8 (1.2-2.5)^a	2.5 (1.7-3.9)^a	< 0.001	2hBG, mmol/L	6.8 ± 2.6	7.2 ± 2.5^a	7.7 ± 4.0^a	8.3 ± 3.4^a	< 0.001
TG, mmol/L	1.2 (0.9-1.8)	1.4 (1.0-2.0)^a	1.4 (1.0-2.0)^a	1.6 (1.2-2.2)^a	< 0.001	HOMA-IR	1.6 (1.0-2.3)	1.8 (1.2-2.6)^a	2.1 (1.4-3.2)^a	2.3 (1.6-3.6)^a	< 0.001
TC, mmol/L	4.6 ± 0.8	4.7 ± 0.8^a	4.7 ± 0.8^a	4.7 ± 0.8^a	0.049	TG, mmol/L	1.2 (0.9-1.8)	1.4 (1.0-2.0)^a	1.5 (1.1-2.1)	1.6 (1.2-2.2)^a	< 0.001
HDL-C, mmol/L	1.40 ± 0.37	1.26 ± 0.29^a	1.26 ± 0.29^a	1.20 ± 0.25^a	< 0.001	TC, mmol/L	5.2 ± 0.8	5.3 ± 0.9	5.3 ± 0.9	5.4 ± 1.0^a	< 0.001
LDL-C, mmol/L	2.59 ± 0.72	2.75 ± 0.74	2.75 ± 0.74	2.72 ± 0.72^a	0.004	HDL-C, mmol/L	1.64 ± 0.42	1.54 ± 0.37^a	1.48 ± 0.34	1.46 ± 0.33^a	< 0.001
LFC%	3.9 (1.9-7.8)	5.0 (2.3-10.8)^a	5.0 (2.3-10.8)^a	6.3 (2.6-13.3)^a	< 0.001	LDL-C, mmol/L	2.86 ± 0.75	3.02 ± 0.79^a	3.04 ± 0.83^a	3.14 ± 0.86^a	< 0.001
NAFLD n (%)	68 (19.9)	107 (31.2)^a	107 (31.2)^a	141 (41.2)^a	< 0.001	LFC, %	4.8 (2.5-9.7)	5.8 (2.7-11.6)^a	5.9 (2.7-11.8)^a	7.1 (3.2-13.6)^a	< 0.001
DM n (%)	42 (12.3)	81 (23.6)^a	81 (23.6)^a	123 (35.8)^a	< 0.001	NAFLD n (%)	171 (26.3)	214 (32.9)^a	219 (33.7)^a	275 (42.3)^a	< 0.001
						DM n (%)	88 (13.6)	106 (16.3)	152 (23.4)^a	158 (24.3)^a	< 0.001

P < 0.05, compared with Q1. The quartiles of ASM% were divided as follows: Male, (Q1, ≥ 32.0%; Q2, ≥ 30.5%-32.0%; Q3, ≥ 29.0%-< 30.5%; Q4: < 29.0%) and female, (Q1, ≥ 26.8%; Q2, ≥ 25.5% -< 26.8%; Q3, ≥ 24.3%-< 25.5%; Q4, < 24.3%).

BMI: Body mass index; WC: Waist circumference; FM: Fat mass; ASM: Appendicular skeletal muscle mass; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; FBG: Fasting blood glucose; 2hBG: 2-h postprandial blood glucose; HOMA-IR: Homeostasis model assessment for insulin resistance; TG: Triglycerides; TC: Total cholesterol; HDL-C: High-density lipoprotein-cholesterol; LDL-C: Low-density lipoprotein cholesterol; LFC: Liver fat content; NAFLD: Non-alcoholic fatty liver disease; DM: Diabetes mellitus.