Table 3. Multivariate Analysis for Factors Associated With Inpatient Admission for Cancer Treatment-Related Complications, 2006-2015.
| Variable | OR (95% CI) | P Value |
|---|---|---|
| Year | ||
| 2006-2009 | 1 [Reference] | |
| 2010-2012 | 1.17 (1.03-1.32) | .01 |
| 2013-2015 | 0.88 (0.77-1.00) | .06 |
| Age | ||
| 0-17 | 1 [Reference] | |
| 18-39 | 1.32 (1.08-1.61) | .007 |
| 40-64 | 1.68 (1.38-2.04) | <.001 |
| ≥65 | 1.93 (1.58-2.34) | <.001 |
| Sex | ||
| Male (vs female) | 1.15 (1.11-1.19) | <.001 |
| Median household income, $a | ||
| 1-41 999 | 1 [Reference] | |
| 42 000-51 999 | 0.86 (0.80-0.92) | <.001 |
| 52 000-67 999 | 0.90 (0.84-0.97) | .004 |
| ≥68 000 | 0.91 (0.83-1.00) | .04 |
| Primary payer | ||
| Medicare | 1 [Reference] | |
| Medicaid | 0.94 (0.88-1.01) | .08 |
| Private | 0.83 (0.79-0.87) | <.001 |
| Self-pay | 0.73 (0.64-0.85) | <.001 |
| No charge | 0.98 (0.65-1.47) | .93 |
| Other | 0.91 (0.81-1.04) | .16 |
| Hospital trauma designation | ||
| Trauma center (vs nontrauma center) | 1.32 (1.17-1.48) | <.001 |
| Hospital teaching status | ||
| Nonmetropolitan hospital | 1 [Reference] | |
| Metropolitan teaching | 3.75 (3.26-4.30) | <.001 |
| Metropolitan nonteaching | 3.02 (2.65-3.44) | <.001 |
| Complicationb | ||
| Neutropenia | 2.46 (2.12-2.86) | <.001 |
| Sepsis | 21.00 (14.61-30.20) | <.001 |
| Anemia | 1.50 (1.39-1.62) | <.001 |
| Pneumonia | 9.73 (8.08-11.73) | <.001 |
| Nausea and vomiting | 0.29 (0.27-0.31) | <.001 |
| Dehydration | 0.70 (0.65-0.76) | <.001 |
| AKI | 9.60 (7.77-11.85) | <.001 |
| Intestinal obstruction (without hernia) | 6.10 (5.00-7.43) | <.001 |
| Gastrointestinal tract hemorrhage | 1.63 (1.43-1.88) | <.001 |
| Congestive heart failure | 5.28 (4.21-6.63) | <.001 |
Abbreviations: AKI, acute kidney injury; OR, odds ratio.
a
Median household income of patient’s zip code.
b
Reference category is not having the diagnosis.