16 September 2020: Database Analysis
Outcomes for Patients with Sepsis Following Admission to the Intensive Care Unit Based on Health Insurance Status: A Study from the Medical Information Mart for Intensive Care-III (MIMIC-III) Database
Ying Zhou 1ABCDEF* , Di Yang 2BCE , Qiang Fu 2E , Tao Chen 1E , Yong Chen 1E , Chuandong Zheng 1EGDOI: 10.12659/MSM.924954
Med Sci Monit 2020; 26:e924954
Table 1 Baseline and outcomes of original and propensity-score-matched cohorts with government-run and private insurance.
| Insurance type | Unmatched data | Matched data | ||||||
|---|---|---|---|---|---|---|---|---|
| Government-run | Private | P-value | SSMD | Government-run | Private | P-value | SSMD | |
| No. | 10205 | 3654 | 3418 | 3418 | ||||
| Demographic data | ||||||||
| Male (%) | 5316 (52.1) | 2179 (59.6) | 0.152 | 2066 (60.4) | 2035 (59.5) | 0.459 | 0.019 | |
| Age (Median [IQR]) | 72.00 [61.00, 80.00] | 57.00 [47.00, 63.00] | 1.020 | 56.00 [48.00, 65.00] | 57.00 [49.00, 63.00] | 0.755 | 0.005 | |
| First care unite (%) | 0.147 | 0.151 | 0.063 | |||||
| CCU | 1335 (13.1) | 392 (10.7) | 337 (9.9) | 374 (10.9) | ||||
| CSRU | 819 (8.0) | 261 (7.1) | 219 (6.4) | 246 (7.2) | ||||
| MICU | 5764 (56.5) | 1969 (53.9) | 1934 (56.6) | 1853 (54.2) | ||||
| SICU | 1414 (13.9) | 605 (16.6) | 584 (17.1) | 570 (16.7) | ||||
| TSICU | 873 (8.6) | 427 (11.7) | 344 (10.1) | 375 (11.0) | ||||
| Admission type (%) | 0.096 | 0.998 | 0.002 | |||||
| Elective | 543 (5.3) | 257 (7.0) | 237 (6.9) | 237 (6.9) | ||||
| Emergency | 9417 (92.3) | 3272 (89.5) | 3067 (89.7) | 3066 (89.7) | ||||
| Urgent | 245 (2.4) | 125 (3.4) | 114 (3.3) | 115 (3.4) | ||||
| Disease severity evaluations | ||||||||
| SOFA score (median [IQR]) | 5.00 [3.00, 8.00] | 5.00 [3.00, 8.00] | 0.218 | 0.016 | 5.00 [3.00, 8.00] | 5.00 [3.00, 8.00] | 0.044 | 0.029 |
| SAPSII score (median [IQR]) | 41.00 [33.00, 50.00] | 36.00 [27.00, 47.00] | 0.305 | 36.00 [28.00, 47.00] | 36.00 [27.00, 47.00] | 0.850 | 0.017 | |
| Elixhauser score (median [IQR]) | 11.00 [6.00, 17.00] | 10.00 [5.00, 17.00] | 0.118 | 11.00 [5.00, 17.00] | 10.00 [5.00, 17.00] | 0.001 | 0.068 | |
| Vasopressor use in first day (%) | 2768 (27.1) | 931 (25.5) | 0.056 | 0.037 | 907 (26.5) | 879 (25.7) | 0.457 | 0.019 |
| Mechanical ventilation in the first day (%) | 4513 (44.2) | 1796 (49.2) | 0.099 | 1660 (48.6) | 1668 (48.8) | 0.865 | 0.005 | |
| Outcomes | ||||||||
| ICU mortality (%) | 1480 (14.5) | 460 (12.6) | 0.005 | 0.056 | 427 (12.5) | 440 (12.9) | 0.663 | 0.011 |
| Length of ICU stay (median [IQR]) | 3.84 [1.90, 8.66] | 4.53 [2.11, 10.83] | 0.138 | 3.96 [1.97, 9.24] | 4.46 [2.11, 10.77] | 0.092 | ||
| 90-day mortality (%) | 5993 (58.7) | 2006 (54.9) | 0.077 | 1928 (56.4) | 1899 (55.6) | 0.495 | 0.017 | |
| ICU – Intensive Care Unit; IQR – interquartile range; CCU – Cardiac Care Unit; CSRU – Cardiac Surgery Recovery Unit; MICU – Medical Intensive Care Unit; SICU – Surgery Intensive Care Unit; TSICU – Trauma/Surgical Intensive Care Unit; SSMD – strictly standardized mean difference; SOFA – sequential organ failure assessment; SAPSII – Simplified Acute Physiology Score II. | ||||||||