Table 1. Results of the univariate analysis for evaluating prognostic factors in meningoencephalomyelitis of unknown etiology

Variable Total (n = 23) Group A (n = 13) Group B (n = 10) p-value
Signalment
 Age (years) 7.07 (mean) 6.00 (8.00) 7.00 (7.00) 0.55
 Female (%) 13 (56.52) 8 (61.54) 5 (50.00) 0.68
 Male (%) 10 (43.48) 5 (38.46) 5 (50.00)
 Body weight (kg) 3.28 (mean) 2.58 (1.06) 3.47 (2.36) 0.20
Seizure
 Presence (%) 16 (69.57) 9 (69.23) 7 (70.00) 0.96
 Absence (%) 7 (30.43) 4 (30.77) 3 (30.00)
Location
 Brainstem & multifocal (%) 10 (43.48) 6 (46.15) 4 (40.00) 0.76
 Forebrain (%) 13 (56.51) 7 (53.85) 6 (60.00)
MRI findings
Number of abnormal MRI feature per each dog (% [IQR]) 36 (mean) 2 (2) 0.52 (1) 0.021)
Midline shift
 Absence (%) 15 (65.22) 7 (53.85) 8 (80.00) 0.37
 Presence (%) 8 (34.78) 6 (46.15) 2 (20.00)
Cerebellar herniation
 Absence (%) 20 (86.96) 10 (76.92) 10 (100.0) 0.22
 Presence (%) 3 (13.04) 3 (23.08) 0 (0.00)
Sulci effacement
 Absence (%) 16 (69.57) 7 (53.85) 9 (90.00) 0.08
 Presence (%) 7 (30.43) 6 (46.15) 1 (10.00)
Contrast enhancement
 Absence (%) 8 (34.78) 3 (23.08) 5 (50.00) 0.22
 Presence (%) 15 (65.22) 10 (76.92) 5 (50.00)
CSF analysisTNCC (WBC/mm3)
 Normal (%) 10 (43.48) 5 (38.46) 5 (50.00) 0.99
 Abnormal (%) 10 (43.48) 6 (46.15) 4 (40.00)
Total protein (g/L)
 Normal (%) 6 (26.09) 3 (23.08) 3 (30.00) 0.99
 Abnormal (%) 14 (60.87) 8 (61.54) 6 (60.00)
Values are numbers with respective percentages or median values with respective interquartile ranges.
p<0.05.
MRI, magnetic resonance imaging; IQR, interquartile ranges; CSF, cerebrospinal fluid; TNCC, total nucleated cell count; WBC, white blood cell counts.