The Effect of the Kampo Medicine Yokukansan on Preoperative Anxiety and Sedation Levels

Table 1

Modified Observer’s Assessment of Alertness/Sedation Scale (OAA/S). In assessing the OAA/S score the main criterion was responsiveness.

Score	Responsiveness	Speech	Facial expression	Eyes
5 (Alert)	Responds readily to voice with normal tone	Normal	Normal	Clear, no ptosis
4	Responds slowly to voice with normal tone	Mild slowing	Mild relaxation	Mild ptosis; (less than half the eye)
3	Responds after calling loudly or repeatedly	Prominent slowing or slurring	Marked relaxation; (slack jaw)	Marked ptosis; (half the eye or more)
2	Responds after mild prodding or shaking	Few recognizable words	—	—
1	Does not respond to mild prodding or shaking	—	—	—
0	Does not respond to pain	—	—	—