Table 1:

Injection response, single and multiple injection groups

Injection Event	% Pain Remaining Postinjection														All
	0%		>0% to <20%		≥20% to <40%		≥40% to <60%		≥60% to <80%		≥80% to <100%		100%		All
	No. Injections	%	No. Injections	%	No. Injections	%	No. Injections	%	No. Injections	%	No. Injections	%	No. Injections	%	No. Injections	%
Multiple	94	48.7	10	5.2	18	9.3	24	12.4	23	11.9	5	2.6	19	9.8	193	100.0
Single	78	39.2	15	7.5	24	12.1	21	10.6	25	12.6	5	2.5	31	15.6	199	100.0
All	172	43.9	25	6.4	42	10.7	45	11.5	48	12.2	10	2.6	50	12.8	392	100.0