Table 3.

Inter- and intra-group comparisons of blood pressure (systole and diastole)

Blood pressure	Group, mean±SD		P†
	Video	Verbal
Systole before	125.54±9.06	121.69±9.06	0.29
Systole after	123.23±7.28	120.54±8.13	0.383
P‡	0.054	0.475
Diastole before	79.69±5.09	82.00±5.89	0.296
Diastole after	78.92±4.44	80.92±7.47	0.415
P‡	0.054	0.499

^‡P value from paired t-test; ^†P value from independent sample t-test. SD=Standard deviation