| SPG volume and diameters | CH (n = 80) | Controls (n = 40) | p value (CH vs. controls)a | CH patients (n = 80) | p value (pain vs. non-pain side)b | |
---|---|---|---|---|---|---|---|
160 SPG from both sides | 80 SPG from both sides | Pain side (80 SPG) | Non-pain side (80 SPG) | ||||
Shape | Round (Number of SPG,%) | 87 (54.4) | 41 (51.3) | 0.723 | 40 (50.0) | 47 (58.8) | 0.531 |
Crescent (Number of SPG,%) | 56 (34.0) | 32 (40.0) |  | 31 (38.8) | 25 (31.2) |  | |
Elongated (Number of SPG,%) | 17 (10.6) | 7 (8.7) |  | 9 (11.3) | 8 (10.0) |  |