TABLE 4

Multivariable Regression for Number of SLNs Visualized for Each Coefficient

Coefficient	Effect	SE	Lower 95% limit	Upper 95% limit	P
Baseline	1.05	0.11	0.83	1.27	<0.0001
Unit dose	0.51	0.083	0.35	0.67	<0.0001
Heating method	−0.026	0.11	−0.24	0.19	0.82
Time difference	−0.04	0.03	−0.1	0.02	0.15
Location in breast tissue for ^99mTc-sulfur colloid administration
IMZ-LIQ	−0.083	0.12	−0.32	0.15	0.48
IMZ-LMZ	0.16	0.12	−0.08	0.4	0.19
IMZ-LOQ	−0.046	0.1	−0.24	0.15	0.65
IMZ-OMZ	−0.16	0.091	−0.34	0.02	0.085
IMZ-UIQ	−0.13	0.091	−0.31	0.05	0.16
IMZ-UMZ	−0.15	0.091	−0.33	0.03	0.11
IMZ-UOQ	−0.25	0.083	−0.41	−0.09	0.003
Unit dose: heating method	−0.26	0.12	−0.5	−0.02	0.068

IMZ = inner mid zone; LIQ = lower inner quadrant; LMZ = lower mid zone; LOQ = lower outer quadrant; OMZ = outer mid zone; UIQ = upper inner quadrant; UMZ = upper mid zone; UOQ = upper outer quadrant.