. 2022 Sep 6;58(9):1230. doi: 10.3390/medicina58091230

Table 5.

Manual versus digital measurement comparison of the analyzed indices using the Mann–Whitney U test.

Orthodontic Analysis		Manual Versus Digital Measurements	Mean Rank	p-Value ^a
Pont index	Interpremolar arch widths	Manual measurements	4.50	1.000
	Interpremolar arch widths	Digital measurements	4.50	1.000
	Intermolar arch widths	Manual measurements	4.50	1.000
	Intermolar arch widths	Digital measurements	4.50	1.000
	The difference between the calculated and the measured interpremolar arch widths values	Manual measurements	5.75	0.149
		Digital measurements	3.25	0.149
	The difference between the calculated and the measured intermolar arch widths values	Manual measurements	4.63	0.885
		Digital measurements	4.38	0.885
Linder–Harth index	Interpremolar arch widths	Manual measurements	4.50	0.885
	Interpremolar arch widths	Digital measurements	4.50	0.885
	Intermolar arch widths	Manual measurements	4.50	1.000
	Intermolar arch widths	Digital measurements	4.50	1.000
	The difference between the calculated and the measured interpremolar arch widths values	Manual measurements	5.75	0.149
		Digital measurements	3.25	0.149
	The difference between the calculated and the measured intermolar arch widths values	Manual measurements	4.63	0.885
		Digital measurements	4.38	0.885
Bolton’s analysis	Anterior ratio	Manual measurements	3.00	0.083
	Anterior ratio	Digital measurements	6.00	0.083
	Overall ratio	Manual measurements	2.63	0.028 *
	Overall ratio	Digital measurements	6.38	0.028 *

^a The Mann–Whitney U test was used. * The significance level was set at 0.05.