Table 1.

Baseline characteristics of all randomly assigned patients.

Characteristic	Control	TENS
No. of patients	84	87
Male sex
No.	48	43
%	57.1	49.4
Age, yr
Mean	58.9	51.2
SD	9.9	10.7
Pain history, wk
Mean	9.4	8.7
SD	8.1	6.2
Narcotic consumption, morphine-equivalent units
Mean	44.8	39.7
SD	56.1	64.2
Abdominal pain intensity, numeric rating scale
Mean	5.4	5.8
SD	1.8	1.7
Constipation
No.	26	33
%	31.0	37.9
Poor appetite
No.	48	46
%	57.1%	52.9%