Table 3. Diagnosis of LVO and ICH or LVO Alone in Patients With Acute Stroke by LAMS Scores at Various Cut Points.
| LAMS Score | Frequency, No. | No./Total No. (%) | ||||
|---|---|---|---|---|---|---|
| Accuracy | Sensitivity | Specificity | Positive Predictive Value | Negative Predictive Value | ||
| LVO and ICH | ||||||
| ≥1 | 45 | 25/53 (47.2) | 17/17 (100) | 8/36 (22.2) | 17/45 (37.8) | 8/8 (100) |
| ≥2 | 39 | 29/53 (54.7) | 16/17 (94.1) | 13/36 (36.1) | 16/39 (41.0) | 13/14 (92.9) |
| ≥3 | 34 | 34/53 (64.2) | 16/17 (94.1) | 18/36 (50.0) | 16/34 (47.1) | 18/19 (94.7) |
| ≥4 | 20 | 42/53 (79.2) | 13/17 (76.5) | 29/36 (80.6) | 13/20 (65.0) | 29/33 (87.9) |
| 5 | 14 | 42/53 (79.2) | 10/17 (58.8) | 32/36 (88.9) | 10/14 (71.4) | 32/39 (82.1) |
| LVO alone | ||||||
| ≥1 | 45 | 17/53 (32.1) | 9/9 (100) | 8/44 (18.2) | 9/45 (20.0) | 8/8 (100) |
| ≥2 | 39 | 23/53 (43.4) | 9/9 (100) | 14/44 (31.8) | 9/39 (23.1) | 14/14 (100) |
| ≥3 | 34 | 28/53 (52.8) | 9/9 (100) | 19/44 (43.2) | 9/34 (26.5) | 19/19 (100) |
| ≥4 | 20 | 38/53 (71.7) | 7/9 (77.8) | 31/44 (70.5) | 7/20 (35.0) | 31/33 (93.9) |
| 5 | 14 | 42/53 (79.2) | 6/9 (66.7) | 36/44 (81.8) | 6/14 (42.9) | 36/39 (92.3) |
Abbreviations: ICH, intracranial hemorrhage; LAMS, Los Angeles Motor Scale; LVO, large-vessel occlusion.