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. 2015 Apr 7;13:138. doi: 10.1186/s12957-015-0553-2

Table 3.

Disease recurrence requiring reoperation

Group A (%) Group B (%) P value
Median time to reoperation (months) 18 27 <0.05
Reoperation 9 (8.3%) 3 (2.2%) <0.01
Central 7 (6.5%) 1 (0.7%) <0.01
Lateral 5 (4.6%) 3 (2.2%) NS
Central plus lateral 3 (2.8%) 1 (0.7%) <0.01

NS, not significant.