Table 1.

Baseline Characteristics of the hepatic resection cohort

Covariate	Frequency N (%)	Crude Mortality at 90 days N (%)
Age
65–69	1073 (27.1)	58 (5.4)
70–74	1300 (32.8)	87 (6.7)
75–79	970 (24.5)	84 (8.7)
80 and over	614 (15.5%)	97 (15.8)
Sex
Male	2177 (55.0)	187 (8.6)
Female	1780 (45.0)	139 (7.8)
Race
Non-black	3676 (92.9)	308 (8.4)
Black	281 (7.1)	18 (6.4)
Charlson Comorbidity Score
0	1929 (48.8)	123 (6.4)
1	345 (8.7)	22 (6.4)
2	470 (11.9)	37 (7.9)
3–4	198 (5.0)	18 (9.1)
5+	1015 (25.6)	126 (12.4)
Type of Resection
Partial hepatectomy	2763 (69.8)	207 (7.5)
Hepatic lobectomy	1194 (30.2)	119 (10.0)
Timing of Hepatic Resection
Synchronous	1289 (32.6)	171(13.3)
Metachronous 1–12 mos	1078 (27.2)	52 (4.8)
Metachronous 12+ mos	1590 (40.2)	103 (6.5)