- 3 = Distressing pain or pressure sensation Even when the patients scored higher for a very short period, the higher score will be recorded for that hour. All the patients will be interviewed within 24 hours of delivery by an anaesthetist colleague who will unaware of the technique used and recorded a linear visual analogue scale (VAS) pain score on the patient's opinion about overall efficacy of analgesia. On this scale, 0 cm will indicate no pain and 10 cm will indicate worst pain. They will also ask about the level of their satisfaction regarding the quality of analgesia, which will be graded as 'excellent', 'good' and 'bad'.