Clinical Study

NSAID-Induced Enteropathy in Rheumatoid Arthritis Patients with Chronic Occult Gastrointestinal Bleeding: A Prospective Capsule Endoscopy Study

Table 3

Anaemia markers in patients with rheumatoid arthritis according to NSAID-induced enteropathy.

Mucosal damage score MeanSDMedian1st quartile3rd quartileNormality

Hb (g/L)No enteropathy12109.015.9111.5100.5116.5n
Any enteropathy25116.015.4115.0105.5126.0n
118119.014.2115.0110.3129.5n
24113.011.5110.0103.0124.5n
33101.021.2109.077.0117.0n

MCV (fL)No enteropathy1285.012.083.874.291.8n
Any enteropathy2588.16.987.481.594.2n
11889.86.490.486.494.7n
2484.29.180.978.193.7n
3382.72.181.881.285.1n

HtkNo enteropathy120.3330.0370.3320.3030.362n
Any enteropathy250.3570.0400.3550.3310.387n
1180.3650.0390.3650.3330.399n
240.3510.0250.3430.3340.378n
330.3210.0570.3240.2630.377n

Ery (×1012/L)No enteropathy124.220.534.264.054.50n
Any enteropathy254.010.463.983.784.43n
1183.990.483.943.734.45n
244.190.224.153.994.41n
333.880.603.963.244.43n

Fe ( mol/L)No enteropathy1210.08.26.73.615.0nn
Any enteropathy2511.85.811.37.815.4n
11812.45.713.48.515.7n
249.05.48.64.014.4n
3312.08.610.54.321.2n

VK ( mol/L)No enteropathy1263.112.564.751.773.2n
Any enteropathy2556.414.557.752.165.6nn
11855.015.656.550.766.9nn
2462.014.860.549.076.5n
3357.36.355.152.364.4n

Mucosal damage score: 1 mild enteropathy, 2 moderate enteropathy, 3 severe enteropathy, Hb (g/L): haemoglobin level,MCV (fL): mean corpuscular volume,Htk: haematocrit,Ery (×1012/L): erythrocytes count, Fe ( mol/L): serum iron concentration, and BK ( mol/L): binding capacity of transferrin. Normality of data distribution: normal (n) or nonnormal (nn).