Table 3.

The number of planned and unplanned surgical procedures in the vertical expandable prosthetic titanium ribs group

Ref.	Subject	Surgical procedures (n)	Planned surgical procedures (n)	Unplanned surgical procedure		% unplanned surgeries to all surgeries	% unplanned surgery to patients with at least one complication	Ratio of planned to unplanned surgery
				n	%
Murphy et al[28], 2016	25	232	188	40	160	17.2	266.7	4.69
Gadepalli et al[26], 2011	26	100	86	14	53.8	14.0		6.14
Berger-Groch et al[29], 2020	13	182	178	5	38.5	2.7		35.6
Hasler et al[30], 2010	23	187	172	15	65.22	8.02	166.72	11.47
Latalski et al[31], 2011	12	44	38	6	502	13.62	75.02	6.33
Striano et al[35], 2019	166	670	560	110	66.3	16.4	275.0	5.09
Lucas et al[36], 2013	54	184	152	30	55.62	16.32	83.32	5.07
Garg et al[37], 2016	38	410	3501	601	157.9	14.6		5.83

¹Data estimated based on the mean values of duration between lengthenings.

²The values of the % of unplanned surgeries in which all four complications were analyzed in the paper.