Antibiotics (n=33) NSAIDs (n=13) H2-blockers (n=7) RCM (n=5) Others (n=10) P value
0–1 week (n) 12 5 3 5 6 0.084
1–2 weeks (n) 10 3 1 0 2 0.595
2–3 weeks (n) 5 1 0 0 1 0.678
3–4 weeks (n) 2 3 2 0 1 0.264
4–5 weeks (n) 4 1 1 0 0 0.703