Table 1

Gastric 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^1-150	0	1	2	3	4	Total naproxen
Naproxen
0	3	0	1	0	0	4 (11%)
1	2	0	0	0	0	2 (6%)
2	5	1	2	1	0	9 (26%)
3	8	3	5	0	0	16 (46%)
4	2	1	1	0	0	4 (11%)
Total nimesulide (%)	20 (57%)	5 (14%)	9 (26%)	1 (3%)	0 (0%)	35
Analysis of responders^1-151
		Nimesulide
		Responder (0, 1)		Non-responder (2, 3, 4)
Naproxen
Responder		5		1
Non-responder		20		9

McNemar test: p<0.001 (two sided).
↵1-150 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.
↵1-151 Responder is a Lanza score of 0 or 1; a non-responder is a Lanza score of >1.