Appendix Table 2.
Mutlivariable logistic regression analyses* showing the association between care density and outcomes, stratified by cancer type and with care density defined using varying specifications of providers and timeframes.
| Care density created using visits to PCPs, oncology specialists, and all other providers during days 366–1095 | Care density created using visits to PCPs and oncology specialists only during days 366–1095 | Care density created using visits to PCPs, oncology specialists, and all other providers during days 366–730; Outcomes calculated during days 731–1095 | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| BREAST | PROSTATE | COLORECTAL | OVERALL SAMPLE | OVERALL SAMPLE | ||
|
| ||||||
| OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | ||
|
| ||||||
| Hospitalization | ||||||
| <2 providers | 1.48 (0.92,2.39) | 1.07 (0.74,1.54) | 0.97 (0.69,1.38) | 1.38 (1.18,1.63) | 1.49 (1.20,1.85) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |
| Middle care density | 0.94 (0.71,1.26) | 0.78 (0.63,0.96) | 0.90 (0.69,1.17) | 0.73 (0.62,0.86) | 0.84 (0.70,1.01) | |
| High care density | 1.02 (0.74,1.39) | 0.81 (0.66,1.01) | 0.83 (0.64,1.07) | 0.91 (0.79,1.06) | 0.96 (0.80,1.16) | |
| ED visit | ||||||
| <2 providers | 1.40 (0.90,2.17) | 1.34 (0.97,1.85) | 1.35 (0.97,1.87) | 1.54 (1.33,1.79) | 1.29 (1.06,1.58) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |
| Middle care density | 0.83 (0.64,1.08) | 0.98 (0.81,1.19) | 0.83 (0.64,1.07) | 0.89 (0.77,1.04) | 0.84 (0.71,0.99) | |
| High care density | 1.07 (0.81,1.42) | 0.88 (0.72,1.06) | 0.93 (0.73,1.19) | 1.00 (0.88,1.15) | 0.97 (0.83,1.13) | |
| Avoidable outcome | ||||||
| <2 providers | 1.36 (0.67,2.80) | 2.50 (1.35,4.64) | 1.71 (1.10,2.65) | 1.65 (1.30,2.08) | 1.72 (1.12,2.63) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |
| Middle care density | 0.76 (0.46,1.24) | 0.63 (0.42,0.96) | 1.25 (0.88,1.78) | 0.85 (0.65,1.12) | 0.97 (0.66,1.42) | |
| High care density | 1.30 (0.79,2.16) | 0.66 (0.44,0.99) | 1.11 (0.79,1.55) | 1.02 (0.80,1.29) | 1.01 (0.69,1.48) | |
| Lipid profile, angina | ||||||
| <2 providers | 2.06 (0.26,16.31) | 0.23 (0.04,1.53) | 1.53 (0.39,5.96) | 0.55 (0.29,1.02) | 0.51 (0.24,1.06) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |
| Middle care density | 42.07 (3.75,472.21) | 0.79 (0.26,2.45) | 4.41 (1.40,13.87) | 1.20 (0.60,2.41) | 1.86 (1.02,3.38) | |
| High care density | 3.27 (0.71,15.13) | 0.74 (0.26,2.13) | 3.03 1.13 | 0.90 (0.48,1.68) | 1.47 (0.83,2.58) | |
| Eye examination, diabetes | ||||||
| <2 providers | 0.58 (0.24,1.41) | 0.17 (0.07,0.42) | 0.56 (0.30,1.03) | 0.64 (0.49,0.84) | 0.47 (0.33,0.65) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |
| Middle care density | 1.35 (0.80,2.29) | 1.53 (1.08,2.19) | 1.52 (0.97,2.38) | 1.13 (0.86,1.49) | 1.52 (1.19,1.96) | |
| High care density | 1.22 (0.68,2.20) | 1.32 (0.94,1.85) | 1.30 (0.83,2.03) | 1.07 (0.84,1.37) | 1.48 (1.15,1.90) | |
| Glycosylated hemoglobin or fructosamine testing, diabetes | ||||||
| <2 providers | 1.49 (0.56,3.95) | 0.13 (0.03,0.55) | 0.40 (0.18,0.90) | 0.69 (0.50,0.95) | 0.60 (0.42,0.86) | |
| Low care density | 1.00 | 1.00 | 1.00 | 1.00 | ||
| Middle care density | 0.99 (0.54,1.83) | 1.06 (0.70,1.59) | 0.95 (0.57,1.61) | 1.30 (0.95,1.76) | 1.29 (0.99,1.68) | |
| High care density | 0.91 (0.45,1.81) | 1.24 (0.84,1.83) | 1.24 (0.74,2.08) | 1.12 (0.85,1.47) | 1.25 (0.96,1.62) | |
*
Analyses are adjusted for age, gender (except breast/prostate models), race, SEER site, cancer type, state buy-in, urban/rural residence, total number of visits, visit with PCP, and Charlson comorbidity index.
Bold=significant at p<0.05