Table 1.

Demographics and baseline characteristics of the patient groups

CharacteristicOverall (n = 110)ALT Group (n = 55)USG Group (n = 55)P Valuea
Mean age (years; mean ± SD)49.5 ± 14.748.3 ± 1450.8 ± 15.20.377
Gender, male (%)79 (71.8%)38 (69.1%)41 (74.5%)0.672
Operators, residents (%)79 (71.8%)45 (67.3%)42 (76.4%)0.639
Side, right (%)104 (96.4%)52 (96.4%)52 (96.4%)1.0
  • a P < 0.05 is considered statistically significant.