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. Author manuscript; available in PMC: 2011 Jun 2.
Published in final edited form as: Heart Rhythm. 2010 Jul 1;7(10):1475–1481. doi: 10.1016/j.hrthm.2010.06.030

Table 3.

Distribution in Utah I to IV

Total (n = 333) Lone AF (n = 40) Non–lone AF (n = 293) P value
Utah I, n (%) 21 4 (10) 17 (5.8) .298
Utah II, n (%) 141 26 (65) 187 (63.82) .884
Utah III, n (%) 148 9 (22.5) 67 (22.87) .959
Utah IV, n (%) 23 1 (2.5) 22 (7.51) .334

Categorical measurements are presented as number positive for the condition and percentage of the total. Pearson chi-square or Fisher exact test were used to assess for statistical significance.