Table 1.
Baseline characteristics of prematch and postmatch 30-day follow-up cohort
| Prematch |
Postmatch (1:3) |
|||||||
|---|---|---|---|---|---|---|---|---|
| SDD |
ONS |
P value† | SMD | SDD |
ONS |
P value† | SMD | |
| N = 1611 | N = 7898 | N = 1610 | N = 4637 | |||||
| Age group | .394 | .803 | ||||||
| 18–49 | 276 (17.1) | 1256 (15.9) | 0.033 | 276 (17.1) | 762 (16.4) | 0.013 | ||
| 50–59 | 667 (41.4) | 3379 (42.8) | -0.028 | 667 (41.4) | 1941 (41.9) | -0.004 | ||
| 60–69 | 668 (41.5) | 3263 (41.3) | 0.003 | 667 (41.4) | 1934 (41.7) | -0.006 | ||
| Female | 363 (22.5) | 2161 (27.4) | <.001 | 0.112 | 363 (22.5) | 1033 (22.3) | .850 | 0.019 |
| Insurance | .009 | .994 | ||||||
| PPO | 870 (54.0) | 4466 (56.5) | -0.051 | 870 (54.0) | 2535 (54.7) | -0.002 | ||
| CDHP | 181 (11.2) | 952 (12.1) | -0.026 | 181 (11.2) | 526 (11.3) | 0.000 | ||
| HMO | 166 (10.3) | 697 (8.8) | 0.050 | 166 (10.3) | 467 (10.1) | 0.006 | ||
| HDHP | 151 (9.4) | 809 (10.2) | -0.029 | 151 (9.4) | 439 (9.5) | -0.001 | ||
| POS | 122 (7.6) | 521 (6.6) | 0.038 | 122 (7.6) | 337 (7.3) | 0.003 | ||
| Other/unknown | 121 (7.5) | 453 (5.7) | 0.071 | 120 (7.5) | 333 (7.2) | -0.005 | ||
| Elixhauser score | <.001 | .817 | ||||||
| 1–2 | 492 (30.5) | 2071 (26.2) | 0.096 | 492 (30.6) | 1378 (29.7) | 0.006 | ||
| 3–4 | 690 (42.8) | 3330 (42.2) | 0.014 | 689 (42.8) | 2010 (43.3) | -0.011 | ||
| 5+ | 429 (26.6) | 2497 (31.6) | -0.110 | 429 (26.6) | 1249 (26.9) | 0.005 | ||
| CHA₂DS₂-VASc score | 1.57 (1.20) | 1.70 (1.20) | <.001 | -0.112 | 1.57 (1.20) | 1.58 (1.20) | .730 | 0.003 |
| Sleep apnea | 659 (40.9) | 3332 (42.2) | .356 | -0.026 | 658 (40.9) | 1907 (41.1) | .880 | 0.001 |
| AAD use | 966 (60.0) | 5520 (69.9) | <.001 | -0.209 | 966 (60.0) | 2868 (61.9) | .199 | -0.002 |
| Anticoagulants use | 1262 (78.3) | 6503 (82.3) | <.001 | -0.101 | 1261 (78.3) | 3668 (79.1) | .532 | -0.002 |
| ICE use | 1478 (91.7) | 7586 (96.0) | <.001 | -0.181 | 1478 (91.8) | 4353 (93.9) | .005 | -0.022 |
| Provider's region | <.001 | .450 | ||||||
| Midwest | 360 (22.3) | 2147 (27.2) | -0.112 | 360 (22.4) | 1080 (23.3) | -0.005 | ||
| Northeast | 283 (17.6) | 1005 (12.7) | 0.135 | 283 (17.6) | 758 (16.3) | 0.010 | ||
| South | 689 (42.8) | 3802 (48.1) | -0.108 | 689 (42.8) | 2043 (44.1) | -0.002 | ||
| West | 279 (17.3) | 944 (12.0) | 0.152 | 278 (17.3) | 756 (16.3) | -0.001 | ||
CDHP = consumer-driven health plans; CI = confidence interval; HDHP = high-deductible health plan; HMO = health maintenance organization; HR = hazard ratio; ICE = intracardiac echocardiography; ONS = overnight stay; POS = point of service; PPO = preferred provider organization; SDD = same-day discharge; SMD = standardized mean difference.
†
P values were calculated from χ2 test or t test.