Which of the following surgery for stress incontinence has a highest success rate
TENSION FREE VAGINAL TAPE 

TVT has been designed from non-reactive synthetic material

Procedure:

After exposing the region of the bladder neck on vaginal dissection, the hammock of the tape is placed underneath it to provide support, at the mid-urethral level, the lateral extensions are brought out paraurethral on to the skin at the level of the pubic symphysis and the vaginal incision is closed.
After adjusting the proper elevation of the bladder neck region the extra length of the lateral arms of the tape is cut out.
The success rate of 88-90% is claimed at the end of 3 years.
Tension free vaginal tape (TVT)
Bursch colposuspension
Pereyra sling
Kelly's stitch