Table 2

Duodenal damage scores (modified Lanza score): comparison of treatment effects of nimesulide and naproxen, and comparison of responders (Lanza score 0, 1) and non-responders (Lanza score >1)

	Nimesulide
Lanza score^2-150	0	1	2	3	4	Total naproxen
Naproxen
0	15	3	1	0	1	20 (57%)
1	3	0	0	0	0	4 (11%)
2	6	1	1	0	0	7 (20%)
3	3	0	0	0	0	3 (9%)
4	1	0	0	0	0	1 (3%)
Total nimesulide (%)	28 (80%)	4 (11%)	2 (6%)	0 (0%)	1 (3%)	35
Analysis of responders^2-151
		Nimesulide
		Responder (0, 1)		Non-responder (2, 3, 4)
Naproxen
Responder		22		2
Non-responder		10		1

McNemar test: p<0.001 (two sided).
↵2-150 Modified Lanza score: 0, normal; 1, erosion or submucosal haemorrhage; 2, 2–10 erosions or submucosal haemorrhages; 3, >10 erosions or submucosal haemorrhage; 4, ulcer.
↵2-151 Responder is a Lanza score of 0 or 1; a non-responder is a Lanza score of >1.