Table 2. Univariate analysis to compare the differences in characteristics between the success group with botulinum toxin therapy alone and non-success group.

	No success (18)	Success (7)	P-valuea
Age (year)	53.67±9.38	52.29±7.87	0.46
Duration of palsy (year)	2.36±2.35	3.64±5.137	0.88
Pre-op deviation	44.4±15.42	26.00±10.97	0.01
EOM function	2.11±0.90	1.43±0.79	0.09
Number of injection	2.67±2.61	3.57±3.95	0.57
Dosage	4.58±0.96	3.29±1.19	0.05

^aMann–Whitney U-test.