Table 1.
Baseline Characteristics of Discharges by Status of Office Visit Within 7 Days, Unmatched and Matched on Propensity Score
| Characteristic | Unmatched: N = 3,661 | Propensity score matched: N = 1,704 | ||||
|---|---|---|---|---|---|---|
| PCP office visit | No PCP office visit | PCP office visit | No PCP office visit | |||
| N = 1000 | N = 2661 | N = 852 | N = 852 | |||
| Mean (standard deviation) | Mean (standard deviation) | Mean (standard deviation) | Mean (standard deviation) | |||
| Patient age at the time of discharge | 79.6 (6.9) | 78.8 (7.3) | 79.5 (7.1) | 79.8 (7.2) | ||
| # (%) | # (%) | p value | # (%) | # (%) | p value | |
| Categories of patient ages | ||||||
| 65–74 | 263 (26.3) | 832 (31.3) | 231 (27.1) | 229 (26.9) | ||
| 75–84 | 477 (47.7) | 1,216 (45.7) | 0.01 | 401 (47.1) | 388 (45.5) | 0.70 |
| 85+ | 260 (26.0) | 613 (23.0) | 220 (25.8) | 235 (27.6) | ||
| Patient gender—female | 510 (51.0) | 1,411 (53.0) | 0.27 | 440 (51.6) | 446 (52.3) | 0.77 |
| Intervention | 505 (50.5) | 1,365 (51.3) | 0.67 | 435 (51.1) | 446 (52.3) | 0.59 |
| Length of stay | ||||||
| 1 night | 275 (27.5) | 715 (26.9) | 248 (29.1) | 246 (28.9) | ||
| 2 nights | 276 (27.6) | 652 (24.5) | 0.02 | 230 (27.0) | 231 (27.1) | 0.99 |
| 3–4 nights | 305 (30.5) | 800 (30.1) | 252 (29.6) | 250 (29.3) | ||
| 5+ nights | 144 (14.4) | 494 (18.6) | 122 (14.3) | 125 (14.7) | ||
| Surgery during hospitalization | 98 (9.8) | 636 (23.9) | <0.001 | 85 (10.0) | 137 (16.1) | < 0.001 |
| Number of office visits during past year | ||||||
| 0–8 | 267 (26.7) | 768 (28.9) | 237 (27.8) | 283 (33.2) | ||
| 9–12 | 228 (22.8) | 584 (21.9) | 0.62 | 196 (23.0) | 180 (21.1) | 0.12 |
| 13–18 | 256 (25.6) | 654 (24.6) | 223 (26.2) | 209 (24.5) | ||
| 19+ | 249 (24.9) | 655 (24.6) | 196 (23.0) | 180 (21.1) | ||
| Hospitalizations during past year | ||||||
| 0 | 539 (53.9) | 1493 (56.1) | 490 (57.5) | 485 (56.9) | ||
| 1–2 | 295 (29.5) | 706 (26.5) | 0.20 | 235 (27.6) | 241 (28.3) | 0.95 |
| 3+ | 166 (16.6) | 462 (17.4) | 127 (14.9) | 126 (14.8) | ||
| Charlson Comorbidity Index | ||||||
| 0 | 146 (14.6) | 374 (14.1) | 126 (14.8) | 136 (16.0) | ||
| 1 | 210 (21.0) | 536 (20.1) | 191 (22.4) | 192 (22.5) | ||
| 2 | 175 (17.5) | 543 (20.4) | 0.43 | 157 (18.4) | 154 (18.1) | 0.94 |
| 3 | 177 (17.7) | 435 (16.3) | 143 (16.8) | 151 (17.7) | ||
| 4 | 107 (10.7) | 302 (11.3) | 88 (10.3) | 81 (9.5) | ||
PCP primary care physician