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World J Gastroenterol. Mar 21, 2011; 17(11): 1468-1474
Published online Mar 21, 2011. doi: 10.3748/wjg.v17.i11.1468
Published online Mar 21, 2011. doi: 10.3748/wjg.v17.i11.1468
Factor analysis identifies subgroups of constipation
Philip G Dinning, Linda Hunt, Sergio E Fuentealba, Ian J Cook, Department of Gastroenterology, St. George Hospital, University of New South Wales, Kogarah, NSW 2217, Australia
Mike Jones, Department of Psychology, Macquarie University, NSW 2109, Australia
Jamshid Kalanter, Gastroenterology Research Unit, Nepean Hospital, University of Sydney, Sydney, NSW 2050, Australia
Denis W King, David Z Lubowski, Department of Colorectal Surgery, St. George Hospital, Kogarah, NSW 2217, Australia
Nicholas J Talley, Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL 32224, United States
Author contributions: Dinning PG, Jones M, Talley NJ and Cook IJ designed the study and wrote the paper; Hunt L and Fuentealba SE collated all data and maintained the database; Kalanter J, King DW, Lubowski DZ and Cook IJ distributed the majority of questionnaires; Jones M performed all analysis.
Correspondence to: Dr. Phil G Dinning, PhD, Department of Gastroenterology, St George Hospital, University of New South Wales, Kogarah, NSW 2217, Australia. p.dinning@unsw.edu.au
Telephone: +61-2-91132817 Fax: +61-2-91133993
Received: June 16, 2010
Revised: January 13, 2011
Accepted: January 20, 2011
Published online: March 21, 2011
Revised: January 13, 2011
Accepted: January 20, 2011
Published online: March 21, 2011
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