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. Author manuscript; available in PMC: 2013 Sep 27.
Published in final edited form as: Surg Endosc. 2010 Nov 3;25(5):1390–1394. doi: 10.1007/s00464-010-1373-7

Table 1.

Demographic information of study groups

Type I PEH Type III PEH Control
Sex (M:F) 3:7 1:9 5:5
Age 54.80 ± 3.86 58.20 ± 1.79 55.60 ± 5.86