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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Am Coll Surg. 2015 Mar 3;221(1):111–121. doi: 10.1016/j.jamcollsurg.2015.02.022

Table 2.

Demographics

Characteristic Single port (n=55) 4 Port (n=55) Total (n=110) p Value
Mean age, y (SD) 47.3 (16.5) 49.5 (16.0) 48.4 (16.2) 0.4161
Female sex, n (%) 45 (81.8) 44 (80.0) 89 (80.9) 0.8083
Indication for procedure, n (%) 0.7841
 Biliary colic 53 (96.4) 53 (96.4) 106 (960)
 Gallbladder polyp 1 (1.8) 1 (1.8) 2 (1.8)
 Other 1 (1.8) 1 (1.8) 2 (1.8)
0.4424
Body mass index, kg/m2, mean (SD) 32.1 (6.1) 31.4 (6.1) 31.7 (6.1)
ASA, n (%) 0.6988
 1 9 (16.4) 6 (10.9) 15 (13.6)
 2 39 (70.9) 41 (74.5) 80 (72.7)
 3 7 (12.7) 8 (14.5) 15 (13.6)
Diabetes, n (%) 0.3607
 No 52 (94.5) 50 (90.9) 102 (92.7)
 Yes 0 (0.0) 2 (3.6) 2 (1.8)
 Insulin dependent 3 (5.5) 3 (5.5) 6 (5.5)

ASA, American Society of Anesthesiologists.