Table I.

Correlations Between Individual and Group Mean MCPP, Average Z Scores and Pattern Variability Indices in Brachmann-de Lange Syndrome

Age (years)	Sex	Average Z score	Pattern variability indexb	Correlation
0.5	F	−3.2	0.65	0.57*
2.0	F	−2.9	2.17	0.35
2.0	F	−4.6	1.70	0.59**
2.0	F	−9.6	1.50	0.77***
2.0	F	−9.1	0.80	0.76***
2.5	F	−3.1	1.67	0.34
31.0	F	−6.1	1.25	-0.02
0.1	M	−8.7	5.00	0.63**
2.0	M	−7.8	8.40	0.56*
18.0	M	−7.7	0.89	0.83**
24.0	M	−4.9	0.59	0.20
26.0	M	−4.0	0.86	0.56*
32.0	M	−4.7	1.99	-0.21
3.0	—a	−5.6	1.40	0.87***
5.0	—	−4.5	2.20	0.78***
9.0	—	−5.0	0.70	0.47*
11.0	—	−5.7	2.50	0.49*
14.0	—	−5.1	1.00	0.76***
18.0	—	−4.6	0.60	0.60**

^*P < 0.05 for two-tailed test.

^**P < 0.01 for two-tailed test.

^***P < 0.001 for two-tailed test.

^aPatients reported by Peeters [1975], but sex not given.

^bPattern variability index [ΣΖ²/Ν − (ΣΖ/Ν)²] (an index above 0.70 considered abnormal).