marginal significanceP = 0.07
A Ki-67 index ≥ 14% (5-year IBTR rate: 2.2%) showed a greater association with IBTR, with marginal significance, compared with a Ki-67 index < 14% (5-year IBTR rate: 0.9%; P = 0.07).
A Ki-67 index ≥ 14% (5-year IBTR rate: 2.2%) showed a greater association with IBTR, with marginal significance, compared with a Ki-67 index < 14% (5-year IBTR rate: 0.9%; P = 0.07).
Ki-67 index ≥ 14% showed a trend toward an association with a higher IBTR rate (5-year IBTR rate: 1.4%) compared with Ki-67 index < 14% (5-year IBTR rate: 0%) in this group ( P = 0.08).
The HR for IBTR in patients with a Ki-67 ≥ 14%, a marginally significant risk factor for IBTR in all patients, was 0.50 (95% CI: 0.08-3.11; P = 0.45).