Study Chen, 2012 (10) Chen, 2012 (10) Chen, 2014 (9) Chen, 2014 (9) Ahn, 2017 (12) Ahn, 2017 (12) Iaremenko, 2018 (6) Iaremenko, 2018 (6)
Incision type Cervical incision Endoscopic RAHI Cervical incision Endoscopic lateral neck incision Cervical incision Open RAHI Cervical incision Endoscopic occipital incision
Patients 12 13 20 21 17 13 22 22
Sex (male/female) 5/7 6/7 9/11 8/13 9/8 2/11 5/17 7/15
Age (years) 31.7 (median±2.9) 26.0 (median±11.9) 32 (median±11) 29 (median ± 8) 34.3 [range 19-64] 30.5 [range 17-47] 30.4 ± 11.4 31.6 ±10.8
Follow up (months) median 16 (6-24) median 16(6-24) 16 (6-24) 16 (6-24) 3 3 6 6
Scar satisfaction: 6.2 ± 0.8* 9.2 ± 0.6* 6.4 ± 0.5* 8.0 ± 0.8 * 6.2 (4-8)** 8.8 (7-10)** 79.1 ±12.0 *** 97.6± 18.5 ***
Incision length (in centimeters) NR NR 6.4 ± 0.5 2.7 ± 0.3 NR NR 5.1 ± 0.9 5.5 ± 0.6
Operating time (in minutes) 49.6 ± 6.9 54.6 ± 6.3 94 ± 21 83 ± 18 Mean 68 (45-90) Mean 84 (60-140) 85 ±15 65 ±13
Complications: Complications: Complications: Complications: Complications: Complications: Complications: Complications: Complications:
Recurrence: 0% 0% 0% 0% 0% 0% 0% 0%
Seroma / hematoma 0% 0% 0% 0% 11.8% 7.7% 4.5% 0%
Infection 0% 0% 0% 0% 0% 0% 0% 0%
Temporary hypoesthesia of the earlobe 0% 7.7% 0% 0% 0% 23.1% NR NR
Temporary pain and difficulty at sideward raising of the arm NR NR NR NR NR NR 4.5% 27.3%