Table 3.
Baseline characteristics of postmatch 1-year follow-up cohort
| Prematch |
Postmatch (1:3) |
|||||||
|---|---|---|---|---|---|---|---|---|
| SDD |
ONS |
P value† | SMD | SDD |
ONS |
P value† | SMD | |
| N = 1081 | N = 6181 | N = 1079 | N = 3128 | |||||
| Age group | .437 | .917 | ||||||
| 18–49 | 188 (17.4) | 1002 (16.2) | 0.032 | 188 (17.4) | 528 (16.9) | 0.012 | ||
| 50–59 | 444 (41.1) | 2655 (43.0) | -0.038 | 444 (41.1) | 1292 (41.3) | 0.002 | ||
| 60–69 | 449 (41.5) | 2524 (40.8) | 0.014 | 447 (41.4) | 1308 (41.8) | -0.011 | ||
| Female | 247 (22.8) | 1691 (27.4) | .002 | 0.104 | 247 (22.9) | 739 (23.6) | .653 | -0.008 |
| Insurance | .045 | 1.000 | ||||||
| PPO | 579 (53.6) | 3539 (57.3) | -0.074 | 579 (53.7) | 1696 (54.2) | 0.000 | ||
| CDHP | 133 (12.3) | 733 (11.9) | 0.014 | 132 (12.2) | 381 (12.2) | 0.000 | ||
| HMO | 105 (9.7) | 530 (8.6) | 0.040 | 105 (9.7) | 296 (9.5) | 0.005 | ||
| HDHP | 93 (8.6) | 592 (9.6) | -0.034 | 93 (8.6) | 265 (8.5) | 0.009 | ||
| POS | 81 (7.5) | 379 (6.1) | 0.054 | 81 (7.5) | 232 (7.4) | -0.008 | ||
| Other/Unknown | 90 (8.3) | 408 (6.6) | 0.066 | 89 (8.2) | 258 (8.2) | -0.007 | ||
| Elixhauser score | <.001 | .954 | ||||||
| 1–2 | 331 (30.6) | 1680 (27.2) | 0.076 | 330 (30.6) | 972 (31.1) | -0.018 | ||
| 3–4 | 478 (44.2) | 2590 (41.9) | 0.047 | 477 (44.2) | 1370 (43.8) | 0.009 | ||
| 5+ | 272 (25.2) | 1911 (30.9) | -0.128 | 272 (25.2) | 786 (25.1) | 0.008 | ||
| CHA₂DS₂-VASc score | 1.58 (1.21) | 1.69 (1.20) | .006 | -0.090 | 1.58 (1.21) | 1.59 (1.20) | .827 | -0.001 |
| Sleep apnea | 416 (38.5) | 2574 (41.6) | .056 | -0.065 | 415 (38.5) | 1186 (37.9) | .778 | 0.015 |
| AAD use | 673 (62.3) | 4348 (70.3) | <.001 | -0.172 | 673 (62.4) | 1979 (63.3) | .625 | 0.005 |
| Anticoagulants use | 835 (77.2) | 5068 (82.0) | <.001 | -0.118 | 834 (77.3) | 2441 (78.0) | .642 | -0.006 |
| ICE use | 977 (90.4) | 5925 (95.9) | <.001 | -0.218 | 977 (90.5) | 2903 (92.8) | .020 | -0.013 |
| Provider's region | <.001 | .624 | ||||||
| Midwest | 235 (21.7) | 1650 (26.7) | -0.116 | 235 (21.8) | 722 (23.1) | -0.015 | ||
| Northeast | 202 (18.7) | 783 (12.7) | 0.166 | 201 (18.6) | 541 (17.3) | 0.004 | ||
| South | 451 (41.7) | 2974 (48.1) | -0.129 | 451 (41.8) | 1331 (42.6) | 0.003 | ||
| West | 193 (17.9) | 774 (12.5) | 0.149 | 192 (17.8) | 534 (17.1) | 0.009 | ||
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.