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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Ann Surg. 2017 Apr;265(4):835–840. doi: 10.1097/SLA.0000000000001716

TABLE 3.

11p15 Status is Associated With Relapse in Very Low-risk Patients With Wilms Tumor Managed With Observation Alone Postnephrectomy

11p15 LOH Relapse No Relapse Yes Total P*
11p15 LOH 32 (80%) 8 (20%) 40 0.011
11p15 LOI 6 (75%) 2 (25%) 8
11p15 ROI 58 (96.7%) 2 (3.3%) 60
Total 96 (88.9%) 12 (11.1%) 108
*

P values are based on Fisher exact test.

LOH indicates loss of heterozygosity; LOI, loss of imprinting; ROI, retention of imprinting.