Table 5. Association between the GSTP1 and GSTO1 polymorphisms and the toxicity of epirubicin or MMC.

	Hematuria		Irritative voiding symptoms		Suprapubic pain
	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P
Epirubicin
GSTP1 rs1695 AG+GG/AA	1.08 (0.38–3.07)	0.883	0.20 (0.08–0.49)	<0.001	1.32 (0.52–3.31)	0.559
GSTO1 rs4925 CC/AA+AC	0.34 (0.12–0.96)	0.042	1.25 (0.55–2.86)	0.594	0.52 (0.21–1.32)	0.168
MMC
GSTP1 rs1695 AG+GG/AA	1.13 (0.42–3.00)	0.81	0.81 (0.27–2.43)	0.70	0.75 (0.26–2.18)	0.596
GSTO1 rs4925 CC/AA+AC	2.27 (0.74–6.67)	0.152	2.00 (0.55–7.14)	0.294	0.52 (0.17–1.59)	0.248