Table 4.

Median and interquartile range (IQR 0.25–0.75) of proportionate hole index (pHI)

Net brand	Months	n	Average pHI	Median pHI	Interquartile range
Netprotect®	6	200	121.5	1	0–66.25
	12	200	281.5	47.5	2–271.2
Royalsentry®	6	200	79.65	0	0–27
	12	200	220.9	47	0–162.5
Yorkool®	6	200	71.64	1	0–25
	12	200	271	23	0–121