TABLE 3.

Increased length of stay in multivariate linear regression among 4,907 elderly patients with brain metastases undergoing resection, 1998–2005

Patient factors	Increased days (95% CI)	P value
Age (years)
65–69	–	–
70–74	0.56 (−0.004, 1.13)	0.052
75–79	0.67 (0.03, 1.31)	0.04
80+	1.82 (1.00, 3.46)	<0.001
Females	0.31 (−0.16, 0.79)	0.19
Race
White	–	–
African-American	2.48 (0.92, 4.04)	0.002
Hispanic	1.77 (0.33, 3.21)	0.016
Asian	−0.46 (−2.87, 1.94)	0.71
Other	−0.64 (−2.16, 0.88)	0.41
Charlson score	0.52 (0.35, 0.69)	<0.001
Primary payer
Medicare	–	–
Medicaid	0.43 (−2.08, −2.92)	0.73
Private insurance	0.77 (−0.25, 1.80)	0.14
Self-pay	1.43 (−1.44, 4.30)	0.33
Complications
Pulmonary	7.80 (5.18, 10.42)	<0.001
Thromboembolic	9.34 (6.17,12.50)	<0.001
Stroke	9.62 (4.63, 14.62)	<0.001
Cardiac	1.23 (−1.55, 4.02)	0.38

Data shown in bold-italics = statistically significant relationship