A Randomized Controlled Trial of Auricular Transcutaneous Electrical Nerve Stimulation for Managing Posthysterectomy Pain

Table 1

Demographic characteristics and baseline data of the three study groups.

Group	True TENS (𝑛=16)	Sham TENS (𝑛=16)	Control (𝑛=16)	𝑃 value; (between group)
Age (years)	45.31±2.68	45.88±3.91	44.63±4.92	.671
Body mass index (kg/m^2)	24.43±3.91	22.49±3.90	25.28±4.13	.138
Duration of operation (minutes)	112.06±36.96	98.75±19.45	115.44±36.15	.303
Duration of general anesthesia (minutes)	136.06±37.96	118.56±20.81	139.19±37.38	.175
Type of incision (T: Transverse/M: Midline)
T	9 (56)	12 (75)	11 (69)	.519
M	7 (44)	4 (25)	5 (31)
Intraoperation fentanyl consumption (μg/kg)	68.75±39.26	68.75±37.08	71.88±46.44	.970
Total morphine consumption (mg)	8.59±4.11	8.59±3.48	9.06±4.25	.928
Postoperation pethidine consumption (mg)	75.00±47.43	64.06±45.62	87.50±53.23	.405
Postoperation dologesic consumption (tablets)	1.31±1.25	1.50±1.15	0.88±0.96	.284
Time of intervention (hours after operation)	24.40±0.72	24.70±0.96	25.08±1.20	.156
Analgesic-free period (hours)	7.54±6.60	5.66±4.99	5.63±4.41	.527

Values were expressed as mean ± standard deviation.
The type of incision was expressed as a number (percentage).
Total morphine consumption: morphine consumed during the operation and in the recovery room.