Table 4. VAS Score (at Rest).

VAS: Visual Analogue Scale, BTP: buprenorphine transdermal patch, KTP: ketoprofen transdermal patch.

	Pre-operative	2 hr	4 hr	8 hr	12 hr	24 hr	48 hr	72 hr	5th day	14th day
BTP	5.84±1.075	1.32±0.512	1.7±0.614	1.8±0.755	1.6±0.606	2.3±0.707	1.92±0.944	1.4±0.699	1.32±0.586	1.22±0.464
KTP	5.92±1.121	1.74±0.750	2.28±0.881	2.36±0.898	2.28±1.030	2.94±1.235	2.42±1.051	2.04±0.924	1.70±0.952	1.32±0.620
P value	0.7277	0.0037	0.0004	0.0011	0.0004	0.0027	0.0050	0.0001	0.0366	0.5437