Evaluation of Relationships between Menopause Onset Age and Bone Mineral Density and Muscle Strength in Women from South-Western Poland

Table 6

The statistical characteristic parameters of strength and bone mineral density in the age groups of women with early menopause (<50 years old) and late (>50 years old).

Age (yrs)	50-59; ()				60-69; ()				70-79; ()
Menopause	Early; ()		Late; ()		Early; ()		Late; ()		Early; ()		Late; ()
Variable	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Hand grip (kg)	28.81	7.53	29.17	6.53	26.18	5.67	26.65	6.20	25.08	6.96	23.53	5.71
Arm curl ()	20.43	4.01	22.34	5.10	19.84	4.31	21.51	4.43	18.96	4.84	18.47	4.37
30-second chair stand ()	17.59	3.88	19.00	4.80	16.96	4.17	17.63	4.00	15.34	3.70	15.46	3.82
Knee extensor muscle strength (N/m)	196.15	79.51	231.18	94.91	201.30	81.92	207.55	82.37	169.55	78.54	151.87	61.56
Knee flexor muscles strength (N/m)	97.24	46.11	103.18	41.47	100.56	40.52	102.46	41.25	81.70	41.78	81.59	39.86
BMD (g × cm^–2)	0.38	0.08	0.40	0.08	0.34	0.09	0.35	0.07	0.29	0.07	0.28	0.08
-ratio (%)	76.66	15.06	81.89	15.47	68.71	16.62	71.41	14.83	60.44	14.53	58.73	15.23
-ratio (%)	95.39	18.94	101.66	19.31	88.06	21.28	91.40	19.21	79.04	19.62	76.95	21.34