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. Author manuscript; available in PMC: 2014 Feb 12.
Published in final edited form as: Dig Dis Sci. 2007 Oct 12;53(5):1192–1197. doi: 10.1007/s10620-007-0024-x

Table 1.

Demographic characteristics

Empiric dilation Stricture dilation
Sum 7,256 (100%) 5,764 (100%)
Age (SD) 58.9 (15.3) 62.6 (14.4)
Gender 6,229 (100%) 4,979 (100%)
    Male 2,368 (38%) 2,688 (54%)
    Female 3,861 (62%) 2,291 (46%)
Ethnicity 4,824 (100%) 3,167 (100%)
    White 4,216 (87%) 2,811 (89%)
    Black 283 (6%) 107 (3%)
    Hispanic 122 (3%) 82 (3%)
    Unknown/Other 203 (4%) 167 (5%)
Site type 7,256 (100%) 5,764 (100%)
    University 611 (8%) 382 (7%)
    VA Hospital 1,027 (14%) 785 (14%)
    Community 5,618 (77%) 4,597 (80%)

Age and site type were analyzed using the entirety of both populations. VA patients were excluded from the gender analysis. Patients treated prior to 2001 were excluded from the ethnicity analysis.