Table 1: Patient demographics compared with the 2011-2012 NSQIP database.

Study Population
N = 50 n (%) 		Readmitted NSQIP Patients 2011-2012
N = 89 n (%) 		p value All NSQIP Patients 2011-2012
N = 948 n (%) 		p value
Patient Age
18 - 49
50 - 64
65+
22 (44)
12 (24)
16 (32)
36 (40)
30 (34)
23 (26)


0.47
337 (36)
338 (36)
273 (29)


0.23
Gender
Male
Female
21 (42)
29 (58)
42 (47)
47 (53)

0.56
414 (44)
534 (56)

0.82
ASA Class
I
II
III
IV
V
3 (6)
28 (56)
15 (30)
4 (8)
0
0
2 (2)
52 (58)
30 (34)
5 (6)




< 0.01*
4 (0.4)
62 (7)
565 (60)
279 (29)
38 (4)




< 0.01*