Table 1.
DEMOGRAPHICS & COMORBIDITIES in CEM-Matched Inpatient vs. Outpatient Cohorts.
| Inpatient |
Outpatient |
P-Value | |||
|---|---|---|---|---|---|
| (n = 7774, 74.87%) | (n = 2610, 25.13%) | ||||
| DEMOGRAPHICS | |||||
| Age (Mean ± SD)a | 56.86 ± 11.959 | 56.14 ± 11.461 | 0.004# | ||
| Age Categories (years) | 0.991 | ||||
| x < 60.00 | 4579 | 58.90% | 1537 | 58.89% | |
| x ≥ 60.00 | 3195 | 41.10% | 1073 | 41.11% | |
| Gender | 0.987 | ||||
| Female | 3668 | 47.18% | 1231 | 47.16% | |
| Male | 4106 | 52.82% | 1379 | 52.84% | |
| Race/Ethnicity | 0.999 | ||||
| Asian/Pacific Islander | 90 | 1.16% | 30 | 1.15% | |
| Black/African American | 805 | 10.36% | 270 | 10.34% | |
| White/Caucasian | 6879 | 88.49% | 2310 | 88.51% | |
| Body Mass Index (kg/m2) (Mean ± SD)a | 30.14 ± 6.470 | 30.21 ± 6.471 | 0.270 | ||
| Body Mass Index (kg/m2) | 1.000 | ||||
| Normal | 1520 | 19.55% | 510 | 19.54% | |
| Overweight | 2784 | 35.81% | 935 | 35.82% | |
| Class I Obese | 2031 | 26.13% | 682 | 26.13% | |
| Class II Obese | 882 | 11.35% | 296 | 11.34% | |
| Class III Obese |
557 |
7.16% |
187 |
7.16% |
|
|
PRE-OPERATIVE COMORBIDITIES | |||||
| Diabetes Mellitus | 0.999 | ||||
| No Diabetes Mellitus | 6905 | 88.82% | 2318 | 88.81% | |
| Non-Insulin Dependent | 591 | 7.60% | 198 | 7.59% | |
| Insulin Dependent | 278 | 3.58% | 93 | 3.56% | |
| Smoking History | 1948 | 25.06% | 654 | 25.06% | 1.000 |
| Dyspnea | 115 | 1.48% | 39 | 1.49% | 0.956 |
| Ventilator Dependence | 0 | 0.00% | 0 | 0.00% | - |
| COPD | 80 | 1.03% | 27 | 1.03% | 0.981 |
| Ascites | 0 | 0.00% | 0 | 0.00% | – |
| Congestive Heart Failure | 0 | 0.00% | 0 | 0.00% | – |
| Hypertension | 3839 | 49.38% | 1289 | 49.39% | 0.997 |
| Acute Renal Failure | 0 | 0.00% | 0 | 0.00% | – |
| Dialysis | 0 | 0.00% | 0 | 0.00% | – |
| Disseminated Cancer | 0 | 0.00% | 0 | 0.00% | – |
| Wound Infection | 0 | 0.00% | 0 | 0.00% | – |
| Chronic Steroid Use | 55 | 0.71% | 18 | 0.69% | 0.925 |
| Weight Loss | 0 | 0.00% | 0 | 0.00% | - |
| Bleeding Disorders | 9 | 0.12% | 3 | 0.11% | 1.000 |
| Preoperative Transfusions | 0 | 0.00% | 0 | 0.00% | - |
| Systemic Sepsis | 0 | 0.00% | 0 | 0.00% | - |
| Functional Status | 0.916 | ||||
| Independent | 7757 | 99.78% | 2604 | 99.77% | |
| Partially/Totally Dependent | 17 | 0.22% | 6 | 0.23% | |
∗ Significant with Bonferroni corrected comparison of proportions (p < 0.05).
# Significant on Mann-Whitney-U-Test.
CEM: Coarsened-Exact-Matching; COPD: Chronic obstructive pulmonary disease.
a
Values expressed as Mean ± Standard Deviation (SD); all other values expressed as (%) and N.