Table 2.

Overall XeQOL Scores at Each Visit for Patients Receiving ALTENS 4 Times Per Week for 6 Weeks (Arm A) and Patients Receiving ALTENS Twice Weekly for 12 Weeks (Arm B)

Overall XeQOL score	Visit										Total
	Baseline	2 week	6 week	8 week	10 week	12 week	6 month	9 month	15 month	21 month
A: 4 times per week
n	15	1	—	—	2	14	12	6	8	4
Mean	15.21	39	—	—	32	14.86	13.92	10.5	12.25	10.5
Standard deviation	17.09	—	—	—	12.73	12.23	15.7	15.12	14.31	18.38
B: 2 times per week
n	15	2	10	2	1	5	9	6	7	5
Mean	17.89	30	15.5	20.5	58	13	14.56	14	12	5.8
Standard deviation	18.22	5.66	10.83	9.19	.	17.28	17.31	13.05	20.05	4.97
p-valuea		0.04	0.22	0.22	0.001	0.42	0.27	0.34	0.46	*	0.007
p-valueb	0.81	0.83	*	*	0.13	0.81	0.64	0.52	0.71	*	0.68

^aComparison over time for all patients.

^bComparison between arms.

^*Unable to calculate.

ALTENS, acupuncture-like transcutaneous electrical nerve stimulation.