A Clinical Study on Glucosamine Sulfate versus Combination of Glucosamine Sulfate and NSAIDs in Mild to Moderate Knee Osteoarthritis

Table 4

Comparisons of WOMAC total mean score between group A and group B.

Review	Mean difference	95% confidence interval of the difference		𝑡-value
		Lower	Upper
0 week	3.1181	4.7903	1.4458	3.712*
4 weeks	8.452	6.9091	9.9949	10.975*
8 weeks	11.7847	10.4513	13.1181	17.603*
12 weeks	15.7865	14.681	16.8921	18.659*

* 𝑃<0.01.