Table 4.

Heinz bodies

Time points	Heinz bodies (%)
	Control	DIP1	DIP2	DIP3
PO	0.71 ± 0.90
AE	0.75 ± 0.99	0.46 ± 0.76	1.07 ± 1.14	0.57 ± 0.76
Day 2	0.71 ± 0.92	0.59 ± 0.86	1.01 ± 1.02	0.54 ± 0.73
Day 3	0.53 ± 0.59	0.61 ± 0.70	1.11 ± 1.13	0.54 ± 0.62
Day 4	0.65 ± 0.88	0.52 ± 0.80	1.15 ± 1.09	0.50 ± 0.50
Day 5	0.41 ± 0.44	0.27 ± 0.23	0.95 ± 1.21	0.58 ± 0.46
Day 10	0.32 ± 0.32*	0.53 ± 0.55 †	1.00 ± 1.09	0.72 ± 0.44

Data are mean ± SD

^*Significantly different from DIP1, DIP2 and DIP3

^†Significantly different from control, DIP2 and DIP3 (P <0.05)

Control = saline; DIP1 = dipyrone 25 mg/kg q24h; DIP2 = dipyrone 25 mg/kg q12h; DIP3 = dipyrone 25 mg/kg q8h; PO = preoperatively; AE = at extubation