	2020			2022
	Cases	Controls	p-Value	Cases	Controls	p-Value
Volume
Normal (≥1.5 mL)	75	152	0.156	72	150	0.043
Normal (≥1.5 mL)	98.7%	100.0%		97.3%	100.0%
Abnormal (<1.5 mL)	1	0		2	0
Abnormal (<1.5 mL)	1.3%	0.0%		2.7%	0.0%
pH
Normal [7.2 - 8]	69	141	0.158	65	137	0.063
Normal [7.2 - 8]	90.8%	92.8%		87.8%	11.3%
Abnormal	7	12		9	13
Abnormal	9.2%	7.9%		12.2%	8.5%
Colour
Opalescent gray	74	148	1.000	70	147	0.078
Opalescent gray	97.4%	97.4%		94.6%	98.0%
Translucent	2	4		4	3
Translucent	2.6%	2.6%		5.4%	2.0%
Viscosity
Normal	73	150	0.201	71	149	0.072
Normal	96.1%	98.7%		95.9%	99.3%
Hypo-viscous	3	2		3	1
Hypo-viscous	3.9%	1.3%		4.1%	0.7%
Total	76	152		74	150