Analgesic Efficacy of Ketoprofen Transdermal Patch versus Ibuprofen Oral Tablet on Postendodontic Pain in Patients with Irreversible Pulpitis: A Randomized Clinical Trial

Table 3

Correlation of preoperative pain and postoperative pain separately in each group.

Group		2 hours	4 hours	8 hours	12 hours	24 hours	48 hours
KTP	Correlation coefficient	0.466	0.716	0.574	0.647	0.548	0.316
	value	0.007	<0.001	0.001	<0.001	0.001	0.078
	Number	32	32	32	32	32	32
Tablet	Correlation coefficient	0.318	0.390	0.189	0.208	0.185	0.069
	P value	0.076	0.027	0.300	0.254	0.311	0.709
	Number	32	32	32	32	32	32

Correlation was significant at the 0.05 level of significance. Correlation was significant at the 0.01 level of significance.