Table 2.

Perioperative data

	Conventional (36 subjects)	MIO (32 subjects)	Average difference (95 % CI)	p Value
Length of incision (cm)	11.65 ± 2.64	7.05 ± 1.77	4.61 (3.50 to 5.71)	<0.0001
Duration of surgery (min)	56.67 ± 22.42	54.84 ± 15.94	1.82 (−7.71 to 11.35)	0.7038
Type of fixation	1.89 ± 0.67	2.00 ± 0.57	−0.11 (−0.41 to 0.19)	0.4650
Units transfused	2.22 ± 0.99	1.09 ± 1.20	1.13 (0.59 to 1.66)	<0.0001

Bold values indicate significant differences found for length of incision and units transfused (Student t test)