Table 1.

Demographics of cohort when stratified into patients with and without abdominal imaging

Variable	No abdominal imaging (n=135), n (%)	Received abdominal imaging (n=18), n (%)	P a, b
Age	63.4 (10.5)	63.8 (9.48)	0.937
Sex
Female	73 (54.1)	12 (66.7)	0.449
Male	62 (45.9)	6 (33.3)
BMI	31.1 (7.11)	28.7 (5.84)	0.315
Diabetes
No	84 (83.2)	10 (71.4)	0.283
Yes	17 (16.8)	4 (28.6)
CCI	0.74 (1.09)	0.87 (1.92)	0.425
Smoking
Current smoker	18 (20.7)	1 (8.33)	0.473
Former smoker	30 (34.5)	6 (50.0)
Nonsmoker	39 (44.8)	5 (41.7)
Hospital length of stay	3.79 (1.71)	6.67 (3.97)	0.002
Discharge
Home	72 (83.7)	10 (71.4)	0.002
Inpatient rehab facility	2 (2.33)	4 (28.6)
Skilled nursing facility	12 (14.0)	0
Levels operated on
L1–L2
No	129 (95.6)	15 (83.3)	0.073
Yes	6 (4.44)	3 (16.7)
L2–L3
No	84 (62.2)	8 (44.4)	0.234
Yes	51 (37.8)	10 (55.6)
L3–L4
No	51 (37.8)	10 (55.6)	0.234
Yes	84 (62.2)	8 (44.4)
L4–L5
No	87 (64.4)	13 (72.2)	0.698
Yes	48 (35.6)	5 (27.8)
Underwent exploratory laparotomy
No	135 (100)	16 (88.9)	0.013
Yes	0	2 (11.1)

^aIndependent-samples t-test or Mann–Whitney U-test for age, BMI, CCI, hospital length of stay, ^bPearson Chi-square test or Fisher's exact test for sex, diabetes, smoking status, disposition, levels operated on, exploratory laparotomy status. BMI - Body mass index, CCI - Charlson comorbidity index