Table 3.

Index therapy change within 6 months and full study period

	Within 6 months		Across full study period
	Latanoprost N = 632	Travoprost-Z N = 268	Latanoprost N = 632	Travoprost-Z N = 268
Changed therapy, n %	134 (21.2)	77 (28.7)	218 (34.5)	121 (45.2)
p-value*	0.0148		0.0026
Hazard ratio†	1.519		1.499
p-value	0.0035		0.0004
Days to change
Mean ± SD	72.9 ± 51.2	54.1 ± 48.0	194.8 ± 192.9	178.0 ± 196.7
Median	56.5	40.0	125.0	90.0

SD = standard deviation.

*Chi-square test.

^†The reference cohort is latanoprost. Based on the Cox proportional hazards model.