Table 1.

Demographics

	Lidocaine injections	Saline injections	p-value
Females/males	28/2	26/2
Age (SD), years	50.8 (12.4)	50.3 (11.1)	ns
Illness duration (SD), years	13.9 (7.1)	15.4 (9.2)	ns

Abbreviations: ns, not significant; SD, standard deviation.