Table 1. Cohort characteristics.

Characteristics	All cases (n=165)	HGA (n=110)	Colon (n=55)
Nodal status (node positive) (n=138) [%]	93 [67]	49 [58]	44 [82]
Mean age: years [range]	52 [24-79]	52 [30-76]	51 [24-79]
Male: n [%]	90 [54.5]	54 [49]	36 [65]
Race (n=164): n [%]
African-American	13 [7.9]	7 [6]	6 [11]
Caucasian	151 [92.1]	103 [94]	48 [89]
Comorbidities: n [%]
Heart disease (n=155)	16 [10.3]	9 [9]	7 [13]
Lung disease (n=155)	4 [2.6]	3 [3]	1 [2]
Diabetes (n=161)	14 [8.7]	8 [8]	6 [11]
Mean BMI (n=150): kg/m2 n [range]	26.7 [18-46.5]	26.3 [18-46]	27.3 [19-41]
History of smoking (n=152): n [%]	54 [35.5]	35 [35]	19 [37]
Mean preoperative albumin (n=154): n [range]	3.7 [1.7-4.8]	3.7 [1.7-4.7]	3.8 [2.3-4.8]
ECOG performance status (n=160): n [%]
0	67 [41.9]	48 [45]	19 [36]
1	69 [43.1]	42 [39]	27 [51]
2	19 [11.9]	13 [12]	6 [11]
3	5 [3.1]	4 [4]	1 [2]
Resection status (n=164): n [%]
R0/1	52 [31.7]	33 [30]	19 [35]
R2a	61 [37.2]	37 [34]	14 [25]
R2b/c	51 [31.1]	39 [36]	22 [40]

BMI, body mass index; ECOG, Eastern Cooperative Oncology Group; HGA, high-grade appendiceal.