Table 2.

Intermethod reliability expressed as measurement errors calculated by Dahlberg’s formula for each examiner and as between-method correlations

Inter-Methoden-Reliabilität ausgedrückt als Messfehler, berechnet nach der Dahlberg-Formel für jeden Untersuchenden und als Korrelationen zwischen den Methoden

	Stone casts (n = 30)		Digital models (n = 30)		PCC (r)
Parameter	Examiner 1 Dahlberg	Examiner 2 Dahlberg	Examiner 1 Dahlberg	Examiner 2 Dahlberg
ALD UJ (mm)	0.53	0.56	0.07	0.25	0.499**
ALD LJ (mm)	0.25	0.74	0.13	0.19	0.918**
Overbite (mm)	0.03	0.17	0.02	0.06	0.836**
Overjet (mm)	0.06	0.1	0.04	0.07	0.826**
McNamara (mm)	0.18	0.23	0.08	0.14	0.806**

ALD arch length discrepancy, UJ upper jaw, LJ lower jaw, PCC Pearson correlation coefficient

**Difference highly significant at p < 0.01