Table 1

Group Parameters	POAG Group	Control group	*P value
No.	35	30
Age (year)	61.51±4.91	60.35±4.71	F= 4.51 P=0.37
Gender
Male Female	19 (54%) 16 (46%)	16 (53%) 14 (47%)	x₂=0.036 P=0.85
Cup/Disc ratio	0.76±1.4	0.47±2.5	F=3.64 P=0.012*
IOP at time of examination	20.5±4.9	18.4±5.1	F=3.54 P=0.49
IOP pulse amplitude**	10.19±3.5	5.45±2.8	F=4.51 P=0.016*

No. = Number, F= One Way Annova test, X₂= Chi-square test
*Significant at P < 0.05
**IOP pulse amplitude is the difference between the lowest and highest
recorded IOP

Table 1: Demographic and clinical features in the study and control groups.