Effect of the Herbal Drug Guilu Erxian Jiao on Muscle Strength, Articular Pain, and Disability in Elderly Men with Knee Osteoarthritis

Table 2

Changes in muscle strength, VAS, and Lequesne index scores from baseline to 12 weeks in the non-GEJ-treated group and the GEJ-treated group.

Variables	Non-GEJ-treated group ()			GEJ-treated group ()			-value
	Median			Median
Incremental changes in muscle strength
PeakTQ-ext-nondominant (Nm)	2.10	−4.80	14.30	17.70	3.90	28.20	0.090
PeakTQ-ext-dominant (Nm)	4.60	−1.60	11.70	14.80	3.30	23.20	0.105
PeakTQ-flex-nondominant (Nm)	3.30	−3.40	8.20	2.90	−1.20	10.20	0.308
PeakTQ-flex-dominant (Nm)	3.70	−1.40	8.80	2.80	−2.40	10.60	0.870
TQ/BW-ext-nondominant (ft·lb/lb)	4.70	−2.60	26.60	29.70	6.90	51.30	0.080
TQ/BW-ext-dominant (ft·lb/lb)	6.10	−2.90	20.40	29.30	6.00	37.30	0.063
TQ/BW-flex-nondominant (ft·lb/lb)	5.20	−6.00	11.60	4.90	−1.80	17.90	0.308
TQ/BW-flex-dominant (ft·lb/lb)	6.20	−2.50	12.70	4.80	−3.70	16.40	0.811
Levels of muscle strength of the two groups pre- and posttreatment
TQ/BW-ext-dominant-pretreatment (ft·lb/lb)	34.80	18.20	77.10	57.80	27.40	82.40	0.365
TQ/BW-ext-dominant-posttreatment (ft·lb/lb)	50.20	26.50	70.00	87.10	58.90	99.40	0.012*
TQ/BW-flex-dominant-pretreatment (ft·lb/lb)	25.50	17.90	46.10	37.30	24.20	53.80	0.204
TQ/BW-flex-dominant-posttreatment (ft·lb/lb)	27.50	18.30	52.30	47.50	38.20	58.60	0.045*
Decremental change of visual analog pain scale score	0.00	−1.00	0.00	0.00	0.00	2.00	0.001**
Decremental change of Lequesne index score	−1.00	−3.00	0.00	2.00	1.00	4.00	0.0003**
(I) change of pain or discomfort	0.00	−1.00	0.00	1.00	0.00	2.00	0.002**
(II) change of maximum distance walked	0.00	−1.00	0.00	0.00	0.00	1.00	0.003**
(III) change of activities of daily living	0.00	−1.00	0.00	1.00	0.00	2.00	0.025*

Mann-Whitney test; * < 0.05, ** < 0.01.