Table 5

Results of multiple linear regression analysis, showing associations between changes in HRT from pre-intervention to 6 months with change in IOP (from pre-intervention to 6 months), age of patient, and stage of glaucoma

Dependent variable (change in)	R square	Anova p value	Explanatory variable	B ×10⁻³	p Value
Cup area	0.29	<0.001	IOP change	5.25	<0.001
			Disc area	−5.77	0.814
			Age	2.22	0.164
			Stage of glaucoma	−4.52	0.678
Cup/disc area ratio	0.26	<0.001	IOP change	2.16	<0.001
			Disc area	1.39	0.902
			Age	1.06	0.150
			Stage of glaucoma	−2.82	0.573
Rim area	0.26	<0.001	IOP change	−4.50	<0.001
			Disc area	2.96	0.900
			Age	−2.54	0.098
			Stage of glaucoma	1.83	0.861
Height variation contour	0.22	0.002	IOP change	−1.02	0.085
			Disc area	29.58	0.022
			Age	−1.54	0.063
			Stage of glaucoma	7.51	0.184
Cup volume	0.39	<0.001	IOP change	3.04	0.003
			Disc area	−42.87	0.046
			Age	4.39	0.002
			Stage of glaucoma	−22.62	0.018
Rim volume	0.16	0.016	IOP change	−1.38	0.006
			Disc area	11.78	0.272
			Age	−0.42	0.547
			Stage of glaucoma	3.36	0.479
Mean cup depth	0.35	<0.001	IOP change	1.24	0.007
			Disc area	1.30	0.893
			Age	1.61	0.001
			Stage of glaucoma	−13.94	0.002
Maximum cup depth	0.24	0.001	IOP change	2.33	0.008
			Disc area	−9.01	0.629
			Age	2.44	0.045
			Stage of glaucoma	−15.11	0.071
Cup shape measure	0.06	0.332	IOP change	0.32	0.513
			Disc area	10.54	0.319
			Age	0.25	0.713
			Stage of glaucoma	−7.41	0.117
Mean RNFL thickness	0.08	0.202	IOP change	−0.51	0.154
			Disc area	13.31	0.084
			Age	−0.44	0.376
			Stage of glaucoma	−1.42	0.675
RNFL cross section area	0.08	0.190	IOP change	−2.66	0.141
			Disc area	65.51	0.094
			Age	−2.551	0.319
			Stage of glaucoma	−7.70	0.655

↵Significant at the 0.05 level.