Repetitive brief ischemia accelerates tibial shaft fracture healing: a 5-years prospective preliminary clinical trial (PCT)

Table 2 The outcomes of participants

	RBI therapy group (n = 16)	Control group (n = 16)	P value
Operation time(h)	2.29 ± 0.74	1.96 ± 0.75	0.217
Intraoperative blood loss (ml)^a	100 (50)	50 (40)	0.055
Bone healing time(m)^a	3 (1)	4 (1)	< 0.01
Delayed union and nonunion(n)	0	2	0.484
Venous thrombosis of lower limbs(n)	0	3	0.226
Johner-Wruhs scores^a(%)
6 months	100%	87.50%	0.484
12 months	100%	87.50%	0.484
Lysholm knee score^a(s)
6 months	83 (6)	78 (4)	< 0.01
12 months	100 (8)	90.5 (17)	0.014
VAS scores^a(s)
Preoperative	8 (1)	7.5 (1)	> 0.99
2 weeks	6 (1)	7 (0.5)	0.016
1 month	4 (1)	4 (1.5)	0.187
2 months	3 (1.5)	4 (1)	0.146
3 months	3 (0.5)	3 (2)	0.84
Postoperative complications(n)	0	3	0.226

^aBecause the data is skewed distribution, it was represented by median (quartile range) and compared by Mann–Whitney U test. The enumeration data was compared by Fischer’s exact test as the small size. Johner-Wruhs scores was shown by excellent and good rate, besides, all the postoperative complications were venous thrombosis

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