Table 6. Values of JSW before the beginning of the treatment and at the end of the study.

Groups			n
CGS	JWS right	Before treatment	25	4.08 ± 0. 91
		After one year	25	3.79 ± 0.90
	JWS left	Before treatment	19	3.98 ± 0.87
		After one year	19	3.68 ± 0.84
NSAID	JWS right	Before treatment	22	4.16 ± 1.02
		After one year	22	3.93 ± 1.04
	JWS left	Before treatment	20	3.57 ± 0.84
		After one year	20	3.33 ± 0.82

*JSW – joint space width; †CGS – crystalline glucosamine sulfate; ‡NSAID – nonsteroidal anti-inflammatory drug