Laser-Assisted Endoscopic Cricotracheal Stenosis Resection (CTSR) in Paediatric Congenital Cartilaginous Subglottic Stenosis

Table 2

Stridor and endoscopic demographic grading of SGS before and after CTSR.

Variable	Before CTSR	After CTSR	value
Stridor
No	0 (0.0%)	6 (75%)
Yes	8 (100.0%)	2 (25%)	<0.01
Grade of stenosis
Grade 0	0	6 (75%)
Grade I	0	0
Grade II	0	2 (25%)
Grade III	8 (100%)	0	<0.01
Grade IV	0	0