Table 1.

Characteristics of 77 analyzed samples, classified according to eligibility for copy number variation (CNV) analysis. Numbers indicate mean values and range (lowest–highest value). Mean values were compared between groups with the Chi-2 test or the Kruskal-Wallis test.

	Ineligible	Intermediate	Eligible	Chi-2/ kruskal-wallis
	(n = 29)	(n = 25)	(n = 23)	p
Fresh DNA preparation	0 (0.0 %)	6 (20.7 %)	14 (60.9 %)	<0.001
Genotyping call rate	94.7 [80.9–97.3]	96.6 [94.8–98.3]	97.7 [96.6–98.5]	<0.001
Autosomal variance	0.2291 [0.115–0.706]	0.1343 [0.068–0.208]	0.0870 [0.062–0.114]	<0.001
wave noise	0.0109 [0.002–0.058]	0.0034 [0.001–0.017]	0.0015 [0.001–0.013]	<0.001
per–SNP noise	0.2259 [0.082–0.696]	0.1281 [0.067–0.204]	0.0811 [0.060–0.164]	<0.001
PennCNV, No. of calls	238 [14–1821)	103 [34–1024]	98 [63–165]	0.053
PennCNV, % of deletions	18.6 [1.3–81.3]	27.4 [0.7–65.9]	40.0 [10.3–54.8]	0.164
Birdview No. of calls	527 [163–8,203]	225 [154–1,339]	208 [163–348]	<0.001
Birdview (cf > 10)	15 [2–717]	12 [5–33]	14 [4–20]	0.048
Birdview (cf = 10)	89 [76–145]	92 [74–105]	94 [77–102]	0.209
Birdview (cf 2.5–10)	93 [14–3344]	19 [10–361]	21 [11–45]	<0.001
Birdview (cf < 2.5)	370 [52–5665]	106 [35–857]	85 [42–194]	<0.001