Table 1. Summary of patient demographic and pain characteristics.

The values are presented as mean ± standard deviation, median (minimum-maximum) or number of patients.

Low thoracic indicates T8 and below injection points.

Demographic and pain characteristics (n=34)
Age (year)	63.62 ± 12.06
Male/female (n)	14/20
Weight (kg)	77.09 ± 19.43
Height (cm)	164.15 ± 7.39
BMI (kg/m2)	28.46 ± 6.07
Onset of disease (day)	33.74 ± 44.92
Duration of analgesia (hours)	18 (3-24)
Injection (continuous/single)	11/23
Needle insertion level (thoracic/low thoracic)	21/13
Dermatomal level of vesicles (thoracic/thoracolumbar)	27/7