Nationwide handgrip strength values and factors associated with muscle weakness in older adults: findings from the Brazilian Longitudinal Study of Aging (ELSI-Brazil)

Table 2 Percentiles of handgrip strength (kg) according to age group and stratified by sex obtained through fractional polynomial regression. ELSI-Brazil, 2019–2021

Age in years by sex	n	P5	P10	P20	P25	P50 (M)	P75	P90	P95
Men
50–54	312	22	25	28	30	35	41	46	49
55–59	657	20	23	27	29	34	40	45	48
60–64	611	19	22	26	27	33	38	43	46
65–69	535	18	21	24	26	31	36	41	44
70–74	401	16	19	22	24	29	34	39	42
75–79	317	14	17	20	22	27	32	36	39
80–84	188	12	15	18	19	24	29	33	36
≥ 85	141	10	12	15	16	21	26	30	32
Total	3162	16	19	23	25	31	37	42	45
Women
50–54	525	12	14	17	18	22	26	30	32
55–59	919	12	14	16	17	21	25	29	31
60–64	847	11	13	16	16	20	24	28	30
65–69	825	10	12	15	16	19	23	26	28
70–74	639	9	11	14	14	18	22	25	27
75–79	499	8	10	12	13	17	20	23	25
80–84	319	7	9	11	12	15	19	22	24
≥ 85	170	5	7	9	10	13	17	20	22
Total	4743	9	11	14	15	19	23	27	29

ISSN: 1471-2318