Table 4.

Intraoperative fractures.

	Univariable Unadjusted analysis		Multivariable Adjusted analysis
	Odds ratio (95% CI)	p value	Odds ratio (95% CI)	p value
Age group
< 55 years	Reference		Reference
55 years to 64.9 years	0.95 (0.26 to 3.41)	0.94	0.86 (0.24 to 3.12)	0.82
65 years to 74.9 years	1.80 (0.61 to 5.33)	0.29	1.56 (0.52 to 4.69)	0.43
> 75 years	2.02 (0.69 to 6.03)	0.21	1.53 (0.50 to 4.71)	0.46
Sex
Male	Reference		Reference
Female	3.55 (1.59 to 7.95)	0.002	3.25 (1.43 to 7.39)	0.005
ASA grade
ASA 1/2	Reference		Reference
ASA 3/4/5	1.19 (0.65 to 2.18)	0.57	1.10 (0.59 to 2.04)	0.77
Indication for revision
Infection	Reference		Reference
Periprosthetic fracture	1.39 (0.35 to 5.56)	0.64	1.07 (0.24 to 4.64)	0.93
Cuff insufficiency	0.93 (0.36 to 2.41)	0.88	0.78 (0.27 to 2.23)	0.64
Instability	0.34 (0.07 to 1.64)	0.18	0.33 (0.06 to 1.71)	0.19
Aseptic loosening	0.81 (0.25 to 2.59)	0.72	0.71 (0.21 to 2.43)	0.59
Hemiarthroplasty to total shoulder replacement	1.09 (0.43 to 2.76)	0.85	1.13 (0.40 to 3.10)	0.82
Other	0.80 (0.27 to 2.31)	0.67	0.81 (0.25 to 2.56)	0.73
Operation type
Total shoulder replacement	Reference		Reference
Resurfacing hemiarthroplasty	0.55 (0.07 to 4.31)	0.57	0.48 (0.06 to 3.83)	0.49
Reverse total shoulder replacement	1.37 (0.67 to 2.78)	0.39	1.37 (0.64 to 2.94)	0.42
Stemmed hemiarthroplasty	2.09 (0.79 to 5.50)	0.14	2.04 (0.75 to 5.52)	0.16
Unknown	1.49 (0.46 to 4.78)	0.50	1.83 (0.55 to 6.16)	0.46
Surgical approach
Deltopectoral	Reference		Reference
Other	0.92 (0.47 to 1.77)	0.79	0.80 (0.36 to 1.78)	0.58

ASA, American Society of Anesthesiologists; CI, confidence interval.