Table 4 Association between the napkin‑ring sign plaques and PVSs
From: Napkin-ring sign plaques are associated with cerebral small vessel disease
Characteristics | PVSs | P | |||
|---|---|---|---|---|---|
Grade 0 N = 133 | Grade 1 N = 316 | Grade 2–4 N = 126 | |||
Bilateral side | |||||
NRS plaques | N (%) | 43 (32.3%) | 94 (29.7%) | 52 (41.3%) | 0.066 |
PR of NRS | N (%) | 8 (18.6%) | 13 (13.8%) | 19 (36.5%) | 0.005 |
Total NRS area | mm2 | 9.8 (7.6, 14.0) | 10.8 (7.1, 14.5) | 11.5 (8.4, 15.0) | 0.421 |
Symptomatic side | |||||
NRS plaques | N (%) | 34 (25.6%) | 79 (25.0%) | 39 (31.0%) | 0.426 |
PR of NRS | N (%) | 7 (20.6%) | 11 (13.9%) | 13 (33.3%) | 0.016 |
NRS area | mm2 | 10.1 (8.7, 11.2) | 10.5 (7.1, 13.1) | 11.5 (9.4, 13.2) | 0.135 |
Contralateral side | |||||
NRS plaques | N (%) | 19 (14.3%) | 29 (9.2%) | 27 (21.4%) | 0.002 |
PR of NRS | N (%) | 1 (5.3%) | 2 (6.9%) | 7 (25.9%) | 0.004 |
NRS area | mm2 | 7.1 (5.0, 9.7) | 8.1 (6.6, 11.2) | 6.9 (4.7, 10.2) | 0.371 |