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Table 2 Clinical outcomes

From: Minimally invasive percutaneous osteosynthesis versus ORIF for Sanders type II and III calcaneal fractures: a prospective, randomized intervention trial

  Group MIPO group Conventional group P
Primary Operative time (min) 52.5 ± 11.1 82.8 ± 16.2 <0.001
VAS    
Post-operation 6.9 ± 1.2 6.7 ± 1.4 0.568
1 week 3.2 ± 1.4 3.9 ± 1.3 0.038
Wound healing complications 2 13 0.004
Superficial infection 1 4 0.236
Deep infection 0 2 0.191
Wound necrosis 1 7 0.046
Secondary Time to operation (days) 6.2 ± 3.1 6.5 ± 2.7 0.647
Length of incision 4.2 ± 0.6 10.9 ± 1.5 <0.001
Postoperative drainage (mL) 169.5 ± 49.1 160.7 ± 43.9 0.457
Hospital stay (days) 9.7 ± 2.8 11.7 ± 2.6 0.004
Medical expense (102 USD) 20.0 ± 2.3 21.3 ± 4.4 0.143
AOFAS score 84.4 ± 4.9 83.9 ± 6.2 0.672
SF-36 score 83.9 ± 5.3 84.8 ± 5.9 0.533