Table 1 Patient characteristics and procedure details

Age(yr)

58.09 ± 13.51

57.91 ± 13.42

Age range(yr)

21–79

24–79

Age grouping(n,18–64/65-79 yr)

132/67

133/68

Gender(male/female)

132/67

124/77

BMI(kgm⁻²)

22.68 ± 3.63

22.86 ± 3.15

Mallampati Class(n,I/II/III)

14/183/2

13/185/3

ASA grading(n,I/II/III)

22/131/46

19/132/50

Duration of anaesthesia(min)

44.91 ± 28.77

43.73 ± 24.76

Duration of operation(min)

37.43 ± 27.96

36.62 ± 24.15

ERCP indication(n,%)

Choledocholithiasis

105(52.76%)

93(46.28%)

Gall bladder carcinoma

16(8.04%)

15(7.47%)

Biliary strictures

16(8.04%)

22(10.95%)

Pancreatic pathology

24(12.06%)

33(16.39%)

Pancreatic carcinoma

20(10.05%)

23(11.44%)

Others

18(9.05%)

15(7.47%)