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
Mean
SD
Median
1st quartile
3rd quartile
Normality
Hb (g/L)
No enteropathy
12
109.0
15.9
111.5
100.5
116.5
n
Any enteropathy
25
116.0
15.4
115.0
105.5
126.0
n
1
18
119.0
14.2
115.0
110.3
129.5
n
2
4
113.0
11.5
110.0
103.0
124.5
n
3
3
101.0
21.2
109.0
77.0
117.0
n
MCV (fL)
No enteropathy
12
85.0
12.0
83.8
74.2
91.8
n
Any enteropathy
25
88.1
6.9
87.4
81.5
94.2
n
1
18
89.8
6.4
90.4
86.4
94.7
n
2
4
84.2
9.1
80.9
78.1
93.7
n
3
3
82.7
2.1
81.8
81.2
85.1
n
Htk
No enteropathy
12
0.333
0.037
0.332
0.303
0.362
n
Any enteropathy
25
0.357
0.040
0.355
0.331
0.387
n
1
18
0.365
0.039
0.365
0.333
0.399
n
2
4
0.351
0.025
0.343
0.334
0.378
n
3
3
0.321
0.057
0.324
0.263
0.377
n
Ery (×1012/L)
No enteropathy
12
4.22
0.53
4.26
4.05
4.50
n
Any enteropathy
25
4.01
0.46
3.98
3.78
4.43
n
1
18
3.99
0.48
3.94
3.73
4.45
n
2
4
4.19
0.22
4.15
3.99
4.41
n
3
3
3.88
0.60
3.96
3.24
4.43
n
Fe (mol/L)
No enteropathy
12
10.0
8.2
6.7
3.6
15.0
nn
Any enteropathy
25
11.8
5.8
11.3
7.8
15.4
n
1
18
12.4
5.7
13.4
8.5
15.7
n
2
4
9.0
5.4
8.6
4.0
14.4
n
3
3
12.0
8.6
10.5
4.3
21.2
n
VK (mol/L)
No enteropathy
12
63.1
12.5
64.7
51.7
73.2
n
Any enteropathy
25
56.4
14.5
57.7
52.1
65.6
nn
1
18
55.0
15.6
56.5
50.7
66.9
nn
2
4
62.0
14.8
60.5
49.0
76.5
n
3
3
57.3
6.3
55.1
52.3
64.4
n
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).