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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 4.

Recurrence rate for Utah I to IV

Lone AF Non–lone AF P value
Patients 35 262
Total n (%) 8 (22.86) 92 (35.11) .150
Utah I, n (%) 0 (0) 0 (0) 1.000
Utah II, n (%) 4 (18.18) 48 (28.74) .297
Utah III, n (%) 3 (37.5) 40 (36.51) .956
Utah IV, n (%) 1 (100) 21 (95.45) .827

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.