Table 2.
Characteristics of the index hospitalization, 30-day readmission and mortality
| POSH | TPOSH | Non-POSH | No Visit | Total | Max Std Diff | ||
|---|---|---|---|---|---|---|---|
|
n = 56,383 (26.4%) |
n = 9009 (4.2%) |
n = 69,997 (32.8%) |
n = 78,124 (36.6%) |
n = 213,513 | Not Wgtd |
Wgtd | |
| All cause 30-day inpatient or observation stay readmission | 7093 (12.6%) | 1562 (17.3%) | 9540 (13.6%) | 11,093 (14.2%) | 29,288 (13.7%) | – | – |
| 30-day mortality | 605 (1.1%) | 324 (3.6%) | 683 (1.0%) | 1503 (1.9%) | 3115 (1.5%) | – | – |
| Index Hospitalization | |||||||
| Source of admissiona | |||||||
| Home/clinic | 46,209 (82%) | 7297 (81%) | 60,593 (86.6%) | 68,386 (87.5%) | 182,485 (85.5%) | 0.09 | 0.02 |
| Hospital/SNF | 9912 (17.6%) | 1628 (18.1%) | 8748 (12.5%) | 9157 (11.7%) | 29,445 (13.8%) | 0.06 | 0.03 |
| Other | 204 (0.4%) | 45 (0.5%) | 608 (0.9%) | 493 (0.6%) | 1350 (0.6%) | 0.01 | 0.00 |
| Service line | |||||||
| Surgical | 9775 (17.3%) | 1773 (19.7%) | 40,411 (57.7%) | 48,886 (62.6%) | 100,845 (47.2%) | 0.45 | 0.03 |
| Medicine | 46,608 (82.7%) | 7236 (80.3%) | 29,586 (42.3%) | 29,238 (37.4%) | 112,668 (52.8%) | – | – |
| Major diagnostic categories (row %) | |||||||
| Diseases/Disorders of the Circulatory System | 11,626 (37.6%) | 1623 (5.2%) | 10,512 (34%) | 7173 (23.2%) | 30,934 (14.5%) | 0.11 | 0.05 |
| Diseases/Disorders of the Musculoskeletal System | 2421 (8.5%) | 696 (2.5%) | 9188 (32.4%) | 16,049 (56.6%) | 28,354 (13.3%) | 0.16 | 0.05 |
| Infectious & Parasitic Diseases, Systemic or Unspecified Sites | 11,584 (42.4%) | 1845 (6.7%) | 6574 (24%) | 7343 (26.9%) | 27,346 (12.8%) | 0.11 | 0.04 |
| Diseases/Disorders of the Digestive System | 6672 (27.5%) | 977 (4%) | 7443 (30.7%) | 9187 (37.8%) | 24,279 (11.4%) | 0.01 | 0.02 |
| Diseases/Disorders of the Nervous System | 4946 (33.2%) | 595 (4%) | 4431 (29.7%) | 4940 (33.1%) | 14,912 (7%) | 0.02 | 0.03 |
| Endocrine, Nutritional & Metabolic Diseases & Disorders | 1922 (15.4%) | 362 (2.9%) | 3528 (28.3%) | 6635 (53.3%) | 12,447 (5.8%) | 0.05 | 0.01 |
| Diseases/Disorders of the Respiratory System | 4985 (40.7%) | 822 (6.7%) | 3111 (25.4%) | 3317 (27.1%) | 12,235 (5.7%) | 0.05 | 0.02 |
| Diseases/Disorders of the Hepatobiliary System | 3212 (27.4%) | 420 (3.6%) | 3373 (28.7%) | 4739 (40.4%) | 11,744 (5.5%) | 0.01 | 0.01 |
| Laboratory Acute Physiology Score (LAPS2) | 70.1 (30.42) | 73.4 (31.94) | 57.8 (27.98) | 56.2 (28.43) | 61.1 (29.66) | 0.58 | 0.03 |
| LACE readmission risk score | 10.4 (2.80) | 11.2 (2.93) | 8.0 (3.59) | 7.0 (3.66) | 8.4 (3.70) | ||
| LACE < 11 | 26,301 (46.6%) | 2810 (31.2%) | 52,055 (74.4%) | 64,181 (82.2%) | 145,347 (68.1%) | 0.51 | 0.02 |
| LACE 11 to 15 | 28,897 (51.3%) | 5787 (64.2%) | 16,928 (24.2%) | 12,997 (16.6%) | 64,609 (30.3%) | 0.48 | 0.04 |
| LACE 16 to 19 | 1185 (2.1%) | 412 (4.6%) | 1014 (1.4%) | 946 (1.2%) | 3557 (1.7%) | 0.03 | 0.01 |
| Length of stay | |||||||
| 0–3 days | 29,460 (52.2%) | 4044 (44.9%) | 44,692 (63.8%) | 57,202 (73.2%) | 135,398 (63.4%) | 0.28 | 0.05 |
| 4–6 days | 17,659 (31.3%) | 2998 (33.3%) | 16,312 (23.3%) | 14,789 (18.9%) | 51,758 (24.2%) | 0.14 | 0.04 |
| 7–13 days | 7491 (13.3%) | 1427 (15.8%) | 7221 (10.3%) | 4913 (6.3%) | 21,052 (9.9%) | 0.10 | 0.02 |
| 14+ days | 1773 (3.1%) | 540 (6%) | 1772 (2.5%) | 1220 (1.6%) | 5305 (2.5%) | 0.04 | 0.02 |
| Functional status within 24 h of discharge | |||||||
| Non-ambulatory | 6177 (11%) | 2231 (24.8%) | 7213 (10.3%) | 11,525 (14.8%) | 27,146 (12.7%) | 0.14 | 0.01 |
| Ambulatory with assistance | 27,514 (48.8%) | 4057 (45%) | 27,458 (39.2%) | 29,276 (37.5%) | 88,305 (41.4%) | 0.11 | 0.00 |
| Ambulatory | 21,965 (39%) | 2569 (28.5%) | 28,967 (41.4%) | 30,000 (38.4%) | 83,501 (39.1%) | 0.13 | 0.01 |
| Missing | 727 (1.3%) | 152 (1.7%) | 6359 (9.1%) | 7323 (9.4%) | 14,561 (6.8%) | 0.08 | 0.00 |
| Schmid fall risk score 3+ within 24 h of discharge | 9354 (16.6%) | 2107 (23.4%) | 11,882 (17%) | 14,608 (18.7%) | 37,951 (17.8%) | 0.07 | 0.01 |
| Discharge disposition | |||||||
| Home | 36,726 (65.1%) | 4755 (52.8%) | 49,184 (70.3%) | 55,429 (71%) | 146,094 (68.4%) | 0.18 | 0.01 |
| Home health | 19,657 (34.9%) | 4254 (47.2%) | 20,813 (29.7%) | 22,695 (29%) | 67,419 (31.6%) | – | – |
Values are presented as either mean (SD) or n (column %), unless otherwise indicated
POSH Post-hospital follow-up clinic visit, TPOSH Post-hospital follow-up telephone visit, nonPOSH visit not related to post-hospital follow-up
Wgtd Weighted maximum standardized differences across groups
a Missingness < 0.1