The transparency of reporting 'harms' encountered with the surgically assisted acceleration of orthodontic tooth movement in the published randomized controlled trials: a meta-epidemiological study

Progress in Orthodontics

Table 3 Descriptive statistics of the proportions of studies that reported harms according to the HDI of the country of the research team, the prestige of the publishing journal, and the invasiveness of the surgical procedure along with the p values of statistical testing

		Reporting of Harms		Total	P Value
		Yes	No	Total	P Value
Human Development Index of the country of the research team
Very high HDI	n	14	9	23	< 0.05^a
Very high HDI	%	15.4%	9.9%	25.3%
High HDI	n	7	5	12
High HDI	%	7.7%	5.5%	13.2%
Medium HDI	n	16	40	56
Medium HDI	%	17.6%	44.0%	61.5%
Quartile of the publishing journal
Q1	n	17	14	31	< 0.05^a
Q1	%	18.7%	15.4%	34.1%
Q2	n	12	10	22
Q2	%	13.2%	11.0%	24.2%
Q3	n	5	9	14
Q3	%	5.5%	9.9%	15.4%
Q4	n	1	3	4
Q4	%	1.1%	3.3%	4.4%
Not indexed	n	2	18	20
Not indexed	%	2.2%	19.8%	22.0%
Invasiveness of the SAAO
Invasive	n	4	19	22	< 0.05^b
Invasive	%	4.4%	20.9%	24.2%
Minimally invasive	n	30	30	61
Minimally invasive	%	33.0%	33.0%	67.0%
Both	n	3	5	8
Both	%	3.3%	5.5%	8.8%
Type of orthodontic tooth movement
Retraction	n	26	42	68	> 0.05^b
Retraction	%	28.6%	46.2%	74.7%
Decrowding	n	10	10	20
Decrowding	%	11.0%	11.0%	22.0%
All other OTM	n	1	2	3
All other OTM	%	1.1%	2.2%	3.3%
Total	n	37	54	91
Total	%	40.7%	59.3%	100.0%

SAAO surgically assisted accelerated orthodontics, HDI Human Development Index, Q Quartile to which the journal belongs, OTM Orthodontic tooth movements
^aSpearman's Rho test
^bFisher's exact test