Table 5: Survey question results timolol hemihydrate QD vs timolol maleate in sorbate

Question		Timolol hemihydrate QD						Timolol maleate in sorbate				p-value*
		N		Mean score ± SD				N		Mean score ± SD
1		32		1.1 ± 0.9				39		2.4 ± 1.4		<0.001
2		32		0.7 ± 0.7				39		1.0 ± 0.9		0.19
3		32		0.8 ± 0.7				39		1.1 ± 1.0		0.09
4		32		0.8 ± 0.7				39		1.6 ± 1.6		0.005
5		31		0.3 ± 0.7				38		0.4 ± 0.9		0.60
6		32		0.7 ± 1.0				39		0.6 ± 1.0		0.84
7		31		0.1 ± 0.3				39		0.2 ± 0.5		0.60
8		5		0.2 ± 0.4				7		0.1 ± 0.4		0.82
10		22		1.7 ± 0.8				26		1.6 ± 1.1		0.53
Question 9
response		Timolol hemihydrate QD						Timolol maleate in sorbate				Total
1				2						5		7
2				1						0		1
6				2						1		3
Total				5						6		11
p-value**						0.28

*2-tailed p-value, t-test; **Chi-square test