Table 4.

Comparison of numerical rating scale for pain and distress

	Prior to FB	During FB			10 min after FB
		0-3	4-7	8-10	0-3	4-7	8-10
NRS pain
Group dexmedetomidine	0	24	3	0	23	4	0
Group midazolam	0	24	3	0	25	2	0
P		1.00*			0.669*
NRS distress
Group dexmedetomidine	0	18	9	0	22	4	1
Group midazolam	0	20	7	0	23	4	0
P		0.766*			1*

*Fischer’s exact test. NRS=Numerical rating scale, FB=Flexible bronchoscopy