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Table 4 VAS score for pain during follow-up visits for simple and complex fractures and their corresponding p-values

From: Mid-term results of a less-invasive locking plate fixation method for proximal humeral fractures: a prospective observational study

Pain Discharge 6 weeks 6 months 4.5 years Discharge – 6 weeks 6 weeks – 6 months 6 months – 4.5 years
All patients 5.1 ± 3.6 3.9 ± 2.0 2.7 ± 1.8 3.2 ± 3.0 p = 0.747 p < 0.001 p = 0.008
n = 52
2-part fracture group 4.5 ± 1.5 3.5 ± 2.3 2.8 ± 2.0 3.4 ± 3.5 p = 0.590 p = 0.126 p = 0.296
n = 12
3- and 4- part fracture group 5.3 ± 4.0 4.0 ± 1.9 2.7 ± 1.8 3.2 ± 2.9 p = 0.575 p < 0.001 p = 0.017
n = 40
Difference between 2- and 3-/4-part fracture groups p = 0.486 p = 0.494 p = 0.832 p = 0.808