Effect of musculature on mortality, a retrospective cohort study

BMC Cancer

Table 2 Characteristics of matched pairs

	Myosteatosis n = 98		No Myosteatosis n = 98			LMM n = 102		Normal MM n = 102
	N	%	N	%	p	N	%	N	%	p
Age					0.88					1
< 61	62	63.3	64	65.3		68	66.7	69	67.6
> = 61	36	36.7	34	34.7		34	33.3	33	32.4
Sex					0.60					0.85
Female	22	22.4	18	18.4		18	17.6	16	15.7
Male	76	77.6	80	81.6		84	82.4	86	84.3
Race					0.65					0.81
White	86	87.8	89	90.8		94	92.2	92	90.2
BIPOC	12	12.2	9	9.2		8	7.8	10	9.8
Comorbidities					0.96					0.86
None	16	16.3	18	18.4		17	16.7	19	18.6
1	25	25.5	27	27.6		25	24.5	27	26.5
2	16	16.3	14	14.3		14	13.7	16	15.7
3 +	41	41.8	39	39.8		46	45.1	40	39.2
Tumor site					0.79					0.66
Oropharynx	44	44.9	46	46.9		48	47.1	53	52.0
Larynx	31	31.6	33	33.7		32	31.4	26	25.5
Other	23	23.5	19	19.4		22	21.6	23	22.5
AJCC stage					0.34					0.98
0-II	28	28.6	32	32.7		30	29.4	32	31.4
III	19	19.4	25	25.5		24	23.5	24	23.5
IV	51	52.0	41	41.8		48	47.1	46	45.1
HPV					0.81					0.68
Positive	21	21.4	23	23.5		22	21.6	26	25.5
Negative	29	29.6	32	32.7		35	34.3	37	36.3
N/A	48	49.0	43	43.9		45	44.1	39	38.2
Treatment					1					1
RT only	7	7.1	8	8.2		6	5.9	6	5.9
Chemoradiation	91	92.9	90	91.8		96	94.1	96	94.1
Smoking					0.98					0.80
Current	20	20.4	20	20.4		22	21.6	26	25.5
Former	45	45.9	47	48.0		50	49.0	48	47.1
Never	33	33.7	31	31.6		30	29.4	28	27.5
Alcohol					0.92					0.75
Current	18	18.4	18	18.4		19	18.6	16	15.7
Former	20	20.4	21	21.4		20	19.6	26	25.5
Never	56	57.1	57	58.2		60	58.8	58	56.9
N/A	4	4.1	2	2.0		3	2.9	2	2.0
Muscle mass					1					NA
Normal	49	50.0	48	49.0		0	0.0	102	100.0
Low	49	50.0	50	51.0		102	100.0	0	0.0
Myosteatosis					NA					1
No	0	0.0	98	100.0		53	52.0	53	52.0
Yes	98	100.0	0	0.0		49	48.0	49	48.0

Abbreviations: AJCC American Joint Committee on Cancer, BIPOC Black Indigenous People of Color, LMM Low muscle mass, MM Muscle mass, RT Radiation therapy
Data are presented as frequency (percent), mean (SD)

ISSN: 1471-2407