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| |
Entire cohort (N = 276)
|
Matched sample (n = 100)
|
|---|
|
Variable
|
Uncomplicated
|
Complications
|
P-value
|
Difference
|
Uncomplicated
|
Complications
|
P-value
|
Difference
|
|---|
|
Patients, n (%)
|
215 (78%)
|
61 (22%)
|
–
|
–
|
50
|
50
|
–
|
–
|
|
Mean age, years (SD)
|
60.2 (14.8)
|
62.9 (13.3)
|
0.20
|
2.7
|
63.6 (12.9)
|
63.7 (12.3)
|
0.97
|
0.1
|
|
Females, n (%)
|
113 (53%)
|
27 (44%)
|
0.25
|
–
|
24 (48%)
|
24 (48%)
|
1.0
|
–
|
|
ASA class, mean (SD)
|
2.5 (0.5)
|
2.6 (0.5)
|
0.21
|
0.1
|
2.6 (0.50)
|
2.6 (0.50)
|
1.0
|
0
|
|
BMI, mean (SD)
|
28.4 (7.3)
|
28.7 (6.3)
|
0.74
|
0.3
|
28.1 (6.4)
|
28.2 (5.7)
|
0.93
|
0.1
|
|
LOS (days), mean (SD)
|
7.3 (2.4)
|
15.6 (7.8)
|
<0.001
|
8.3
|
7.4 (2.1)
|
15.9 (7.5)
|
<0.001
|
8.5
|
|
Total cost, mean (SD)
|
$23,101 (6,914)
|
$48,180 (26,596)
|
<0.001
|
$25,079
|
$23,381 (6,712)
|
$49,733 (28,279)
|
<0.001
|
$26,351
|
|
Fixed cost, mean (SD)
|
$14,516 (4,252)
|
$30,229 (16,340)
|
<0.001
|
$15,713
|
$14,807 (4,509)
|
$31,233 (17,333)
|
<0.001
|
$16,426
|
|
Variable cost, mean (SD)
|
$8,535 (2,904)
|
$17,848 (10,356)
|
<0.001
|
$9,313
|
$8,526 (2,656)
|
$18,397 (11,066)
|
<0.001
|
$9,871
|
|
Reimbursement, mean (SD)
|
$23,231 (6,761)
|
$35,651 (13,445)
|
<0.001
|
$12,420
|
$23,632 (7,110)
|
$35,739 (13,327)
|
<0.001
|
$12,108
|
|
Total margin, mean (SD)
|
$131 (8,309)
|
-$12,528 (26,113)
|
0.001
|
-$12,659
|
$250 (7,781)
|
-$13,993 (27,144)
|
<0.001
|
-$14,244
|
- aASA: American Society of Anesthesiology; BMI: Body mass index. Total margin = Reimbursement - Total cost. Financial data are US dollars.
