Table 1.
Baseline demographics, characteristics, and outcomes between the two time periods.
| Ischemic stroke patients treated with endovascular treatment |
|||
|---|---|---|---|
| Study period 2004- 2007 |
Study period 2008-2009 |
p-value | |
| Overall number | 7114 | 6685 | |
| Age(mean years 95% CI) | 61.9 (60.7-63.2) | 66.3 (65.3-67.2) | <.0001 |
| % women | 3075 (43.2) | 3134 (46.8) | 0.0374 |
| Race/ethnicity* | |||
| White | 3691 (72.8) | 4077 (77.2) | 0.0608 |
| Blacks | 683 (13.4) | 441 (8.3) | |
| Hispanic | 406 (8.0) | 425 (8.0) | |
| Other | 284 (5.6) | 340 (6.5) | |
| Co-morbid conditions | |||
| Hypertension | 4592 (64.5) | 4701 (70.3) | 0.0109 |
| Diabetes mellitus | 1817 (25.5) | 1641 (24.5) | 0.584 |
| CHF | 820 (11.5) | 1109 (16.5) | 0.0017 |
| Renal failure | 389 (5.4) | 577 (8.6) | 0.0055 |
| Coagulopathy | 275 (3.8) | 326 (4.8) | 0.2406 |
| Chronic lung disease | 992 (13.9) | 942 (14.0) | 0.9062 |
| Valvular heart disease | 547 (7.7) | 673 (10.1) | 0.0794 |
| Geographic region | |||
| Northeast | 1488 (20.9) | 1268 (18.9) | 0.9559 |
| North-central | 1949 (27.4) | 1729 (25.8) | |
| South | 2148 (30.1) | 2055 (30.7) | |
| West | 1530 (21.5) | 1633 (24.4) | |
| Hospital location and teaching status | |||
| Rural | 134 (1.8) | 46 (0.6) | 0.1925 |
| Urban nonteaching | 1452 (20.4) | 1168 (17.5) | |
| Urban teaching | 5524 (77.6) | 5425 (81.7) | |
|
Medical complications and in hospital procedures |
|||
| Intracranial hemorrhages | 738 (10.4) | 846 (12.6) | 0.0855 |
| Myocardial infarction | 247 (3.5) | 282 (4.2) | 0.3072 |
| Pneumonia | 552 (7.7) | 407 (6.1) | 0.1382 |
| Urinary tract infection | 1047 (14.7) | 1019 (15.2) | 0.7116 |
| Sepsis | 190 (2.6) | 160 (2.4) | 0.6695 |
| Pulmonary embolism | 86 (1.2) | 89 (1.3) | 0.7929 |
| Deep venous thrombosis | 185 (2.6) | 110 (1.6) | 0.0822 |
| Mechanical ventilation | 1217 (17.1) | 889 (13.3) | 0.0265 |
| Gastrostomy | 787 (11.1) | 972 (14.5) | 0.0122 |
| Discharge status | |||
| Length of hospital stay (mean days, 95% CI) |
11.2 (10.41-12.1) | 9.2 (8.49-9.9) | <.0001 |
| Hospital charges | 105244(96424- 114063) |
138241(122718- 153764) |
<.0001 |
| Home | 2264 (31.8) | 1791 (26.7) | 0.0344 |
| Transfer to Nursing term Facility | 3233 (45.4) | 3606 (53.9) | 0.0003 |
| Died in hospital | 1584 (22.3) | 1270 (18.9) | 0.0518 |
*
Race/ethnicity is not uniformly reported in NIS, Abbreviations used: confidence interval (CI).