Figure 3

Cumulative incidence of UTUC recurrence stratified by urinary pH levels in patients who had a smoking history and (A) a longer duration of smoking (≥ 20 years) or (B) shorter duration of smoking (< 20 years).

Cumulative incidence of UTUC recurrence stratified by urinary pH levels in patients who had a smoking history and (A) a longer duration of smoking (≥ 20 years) or (B) shorter duration of smoking (< 20 years).