Table 1:

Patient group according to duration of symptom relief

Group	No. Patients (%)
No relief	17 (21%)
<1 Month's relief	19 (23.5%)
1–2 Months' relief	10 (12.3%)
2–6 Months' relief	5 (6.2%)
6–12 Months' relief	15 (18.5%)
>1 Year's relief	15 (18.5%)
Total	81 (100%)