Table 2.

Literature data on biometric, technical and procedural parameters for the use of laser treatment for the pilonidal sinus

Study	Type of study	Study period	Cohort size (n)	Mean age [years] (min–max)	Male/female ratio	Laser type (wavelength; power)	Anaesthesia type	Mean surgery duration [min] (min–max)	Mean follow-up period [m] (min–max)	Overall complication rate (%)	Recurrence rate (%)
Dessily et al. [17]	Monocentric retrospective	09/2014–09/2015	40	25.2 (15–46)	33/7	1470 nm; 10 W	Spinal, general	NA	7 (3–10)	10	2.9
Dessily et al. [18]	Monocentric prospective	03/2015–08/2017	200	24.5 ± 7.2 (15–45)	72/28	1470 nm; 10 W	Usually spinal	9.4 ± 2.6 (6–16)	17 (6–37)	15	14.9
Harju et al. [19]	Monocentric retrospective	01/2017–09/2019	86	29.2 (18–67)	68/18	1470 nm; 10 or 13 W	Local 85%; general 5%; spinal 10%	NA	14 (6–37)	13.9	3
Porwal et al. [20]	Monocentric prospective	01/2013–12/2017	228	27.16 ± 8.06 (13–68)	200/28	1470 nm diode laser; 8 W	Local	33.32 ± 6.49 (12–65)	12	15.4	2.6
Yardimci et al. [21]	Monocentric comparative randomized	01/2016–01/2018	30	27.9 ± 8.9 (15–49)	25/5	1470 nm diode laser; 12–14 W	General	15.1 ± 2.0 (12–20)	25 (15–39)	3.3	3.3
Georgiou [22]	Monocentric prospective	04/2015–12/2016	60	22.7 ± 6.23 (15–58)	51/9	1470 nm diode laser; 8 W	Local	32.3 ± 8.12 (23–65)	12	23.2	8,3
Our study	Monocentric retrospective	12/2019–09/2023	17	13.6 ± 1.6 (10–17)	5/12	1470 nm, 7 W	General	21.5 ± 10.4 (2–42)	24.5 ± 6.8 (3–50)	24	18

NA not available, W watts, m months