NSAID-induced deleterious effects on the proximal and mid small bowel in seronegative spondyloarthropathy patients

Table 1 Data regarding the patients in the study

Diagnosis	NSAID users	Non NSAID users
Ankylosing spondylitis (n = 36)
Males	13	7
Females	9	7
Psoriatic spondyloarthropathy (n = 3)
Males	1	1
Females	1	0
Undifferentiated spondyloarthropathy (n = 9)
Males	2	2
Females	2	3
Behçet-associated spondyloarthropathy (n = 6)
Males	1	0
Females	2	3

NSAID: Non-steroidal anti-inflammatory drug.

Table 2 Lewis score characteristics for the study patients. [mean; median (min, max)]

	Non NSAID users	NSAID users	P value
Whole small bowel (n=51)	344; 225 (0, 1630)	438; 337 (0, 1462)	0.036a
Proximal tertile (n=53)	226; 225 (0, 1462)	428; 292 (0, 1690)	0.036a
Mid tertile (n=51)	63; 0 (0, 562)	196; 225 (0, 562)	0.001a
Distal tertile (n=51)	217; 0 (0, 1630)	215; 225 (0, 586)	0.186

^aStatistically significant. NSAID: Non-steroidal anti-inflammatory drug.