Study of Inflammatory and Infection Markers in Periprosthetic Fluid: Correlation with Blood Analysis in Retrospective and Prospective Studies

Table 3

Hazard ratios for risk factors.

	Univariable		Multivariable
	HR (95% CI)		HR (95% CI)
Age	1.04 (1.02–1.06)	0.001	1.03 (1.00-1.06)	0.032
Age (>60 years)	2.30 (1.30–4.07)	0.004
BMI	1.04 (0.98–1.09)	0.183
BMI (>30)	1.60 (0.76–3.38)	0.220
Smoke ()	1.37 (0.79–2.36)	0.261
Diabetes	1.31 (0.32–5.35)	0.712
Autoimmune pathologies	1.49 (0.60–3.74)	0.394
Chemotherapy	0.77 (0.46–1.31)	0.337
Neoadjuvant chemotherapy	0.37 (0.12–1.18)	0.092
Adjuvant chemotherapy	1.02 (0.60–1.72)	0.954
Previous RT	2.14 (1.05–4.36)	0.037	—	0.068
Expander brand (Mentor)	1.17 (0.66–2.07)	0.582
Expander volume (>500 mL)	2.57 (1.51–4.38)	0.001	2.02 (1.12–3.65)	0.019
Axillary dissection	0.83 (0.49–1.41)	0.486
Bilateral	0.80 (0.25–2.56)	0.708
Mstec (×10 minutes)	0.99 (0.93–1.06)	0.854
RMI	0.99 (0.98–1.01)	0.283
Total duration (×10 minutes)	0.99 (0.94–1.04)	0.647
Time of drainage (days)	1.05 (1.03–1.07)	<0.001	1.03 (1.01–1.06)	0.014