Table 2.

Sex-specific distributions of mean knee extensor strength and mean joint position sense

Study	Tertile	Sex-specific tertiles of knee extensor strength (Nm)		Sex-specific tertiles of mean joint position sense (degrees)
		Male	Female	Male	Female
Incident Radiographic Knee OA	Highest	176.27±25.78 n=313	100.34±17.25 n=451	2.40±0.52 n=328	2.52±0.58 n=446
	Middle	127.58±9.79 n=328	71.21±5.91 n=429	3.93±0.40 n=306	3.95±0.38 n=439
	Lowest	85.14±18.76 n=311	45.47±10.39 n=444	6.26±1.45 n=318	6.23±1.43 n=439
Incident Symptomatic Knee OA	Highest	172.83±26.00 n=441	98.88±16.60 n=611	2.38±0.53 n=432	2.51±0.58 n=631
	Middle	125.17±9.59 n=440	69.30±6.26 n=620	4.01±0.45 n=449	3.98±0.39 n=616
	Lowest	82.53±18.54 n=429	44.47±9.68 n=625	6.36±1.39 n=429	6.33±1.42 n=609

Mean±standard deviation, (range)