Table 5.

mean difference for anxiety response scores between pairs

	Anxiety Response	Anxiety Response	Mean paired Difference (SD)	P value
Operator (n = 63)	Before injection	During injection	–0.190 (1.58)	0.344
	Before injection	After injection	1.190 (1.55)	< 0.001
	During injection	After injection	1.380 (1.31)	< 0.001
Respondent (n = 63)	Before injection	During injection	0.047 (0.99)	0.704
	Before injection	After injection	1.206 (1.42)	< 0.001
	During injection	After injection	1.158 (1.12)	< 0.001