Skip to main content

Table 3 Multivariate regression for large bone defects in the glenoid and humeral head

From: Factors related to large bone defects of bipolar lesions and a high number of instability episodes with anterior glenohumeral instability

 

Parameter

Odds ratio

95% CI

P value

Lower

Upper

Large glenoid defect a

Male sex

3.391

0.627

18.326

.156

Nondominant shoulder

1.223

0.452

3.310

.692

Humeral head defect (mm3/m3)

1.011

1.004

1.017

< .001***

Number of total instability episodes (times)

1.033

1.013

1.053

.001**

Large humeral head defect b

Male sex

33.180

2.051

536.893

.014*

Nondominant shoulder

1.127

0.426

2.982

.810

Age at CT scans (years)

1.053

0.982

1.129

.146

Age at initial trauma (years)

1.025

0.924

1.136

.643

Glenoid defect (mm3/m3)

1.012

1.002

1.022

.015*

Number of self-irreducible dislocations (times)

1.197

1.021

1.404

.027*

  1. aDefined as the glenoid defect corrected by the patient’s height ≥ 89.7 mm3/m3 (75th percentile)
  2. bDefined as the humeral head defect corrected by the patient’s height ≥ 129.0 mm3/m3 (75th percentile)
  3. *P < .05; **P < .01; ***P < .001