Table 2.
Measures of Calcium Burden Upstream of Cerebral Infarction Compared to the Unaffected Side
| Measure | Upstream of Infarction | Unaffected Side | Difference | P value* |
|---|---|---|---|---|
| Strokes of undetermined etiology: | ||||
| MWVS score: | ||||
| Mean (SD) | 6.7 (4.6) | 5.4(4.1) | 1.3(2.6) | 0.005 |
| Median (IQR) | 7(3–9) | 4.5 (2–7) | ||
| AJ-130 score: | ||||
| Mean (SD) | 158.3(192.6) | 124.2(198.1) | 34.1 (87.7) | 0.006 |
| Median (IQR) | 71.5(22–235) | 36.5(7–144) | ||
| Calcium mass: | ||||
| Mean (SD) | 25.0(28.1) | 21.4(32.7) | 3.6(16.5) | 0.04 |
| Median (IQR) | 16(3–41) | 7.5(1–21) | ||
| Calcium volume: | ||||
| Mean (SD) | 55.9(28.1) | 46.7(61.6) | 9.3 (30.2) | 0.02 |
| Median (IQR) | 34(11–98) | 23(6–51) | ||
| Cardioembolic strokes: | ||||
| MWVS score: | ||||
| Mean (SD) | 6.7 (5.9) | 7.3 (6.3) | −0.6(2.1) | 0.13 |
| Median (IQR) | 7(0–13) | 6(1–14) | ||
| AJ-130 score: | ||||
| Mean (SD) | 211.5(254.2) | 213.4(241.1) | −2.0 (−126.6) | 0.63 |
| Median (IQR) | 98 (0–377) | 64 (0–447) | ||
| Calcium mass: | ||||
| Mean (SD) | 33.3(41.2) | 35.1 (40.2) | −1.8(23.0) | 0.34 |
| Median (IQR) | 4(0–51) | 19(0–53) | ||
| Calcium volume: | ||||
| Mean (SD) | 68.2 (78.6) | 70.5 (74.9) | −2.2(31.7) | 0.53 |
| Median (IQR) | 47(0–118) | 45(0–123) | ||
Abbreviations: AJ, Agatston-Janowitz; IQR, interquartile range; MWVS, Modified Woodcock Visual Scale; SD, standard deviation.
*
P value by Wilcoxon signed rank sum test for non-parametric paired data.