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. 2019 Feb 22;25(8):1428–1441. doi: 10.1093/ibd/izy403

TABLE 4.

Prevalence of Abnormal Biochemical Parameters in Adult and Pediatric IBD

All Children, No. (%) All Adults, No. (%)
Total CD UC IBDU UC+IBDU Total CD UC IBDU UC+IBDU
(n = 203) (n = 179) (n = 4) (n = 20) (n = 24) (n = 387) (n = 274) (n = 97) (n = 16) (n = 113)
Albumin 57 (28.1) 55 (30.7) 0 (0) 2 (10.0) 2 (8.3)e 91 (23.5) 80 (29.2) 10 (10.3)g 1 (6.2)e 11 (9.7)g
Hemoglobin 120 (59.1) 109 (60.9) 3 (75.0) 8 (40.0) 11 (45.8) 143 (37.0)c 122 (44.5)b 18 (18.6)a,i 3 (18.8) 21 (18.6)a,g
Iron 77 (37.9) 72 (40.2) 0 (0) 5 (25.0) 5 (20.8) 98 (25.3)a 85 (31.0) 13 (13.4)f 0 (0) 13 (11.5)g
B12 11 (5.4) 10 (5.6) 0 (0) 1 (5.0) 1 (4.2) 75 (19.4)c 72 (26.3)c 3 (3.1)g 0 (0)e 3 (2.7)g
Folate 6 (3.0) 6 (3.4) 0 (0) 0 (0) 0 (0) 10 (2.6) 9 (3.3) 1 (1.0) 0 (0) 1 (0.9)
CRP 101 (49.8) 99 (55.3) 0 (0) 2 (10.0)f 2 (8.3)g 149 (38.5)a 130 (47.4) 15 (15.5)g 4 (25.0) 19 (16.8)g
Male Children, No. (%) Male Adults, No. (%)
Total CD UC IBDU UC+IBDU Total CD UC IBDU UC+IBDU
(n = 114) (n = 105) (n = 0) (n = 9) (n = 9) (n = 195) (n = 141) (n = 51) (n = 3) (n = 54)
Albumin 32 (28.1) 32 (30.5) 0 (0) 0 (0) 0 (0) 41 (21.0) 39 (27.7) 2 (3.9)f 0 (0) 2 (3.7)g
Hemoglobin 68 (59.7) 65 (61.9) 0 (0) 3 (33.3) 3 (33.3) 78 (40.0)b 66 (46.8)a 11 (21.6)e 1 (33.3) 12 (22.2)e
Iron 43 (37.7) 41 (39.1) 0 (0) 2 (22.2) 2 (22.2) 48 (24.6)a 41 (29.1) 7 (13.7)e 0 (0) 7 (13.0)e
B12 6 (5.3) 6 (5.7) 0 (0) 0 (0) 0 (0) 32 (16.4)a 29 (20.57)b 3 (5.9)e 0 (0) 3 (5.6)e
Folate 5 (4.4) 5 (4.8) 0 (0) 0 (0) 0 (0) 5 (2.6) 5 (3.6) 0 (0) 0 (0) 0 (0)
CRP 59 (51.8) 58 (55.2) 0 (0) 1 (11.1)e 1 (11.1)e 74 (38.0)a 66 (46.8) 6 (11.8)g 2 (66.7) 8 (14.8)f
Female Children, No. (%) Female Adults, No. (%)
Total CD UC IBDU UC+IBDU Total CD UC IBDU UC+IBDU
(n = 89) (n = 74) (n = 4) (n = 11) (n = 15) (n = 192) (n = 133) (n = 46) (n = 13) (n = 59)
Albumin 25 (28.1) 23 (31.1) 0 (0) 2 (18.2) 2 (13.3) 50 (26.0) 41 (30.8) 8 (17.4)d 1 (7.7) 9 (15.3)e
Hemoglobin 52 (58.4) 44 (59.5) 3 (75.0) 5 (45.5) 8 (53.3) 65 (33.9)c 56 (42.1)a 7 (15.2)e 2 (15.4) 9 (15.3)a,f
Iron 34 (38.2) 31 (41.9) 0 (0) 3 (27.3) 3 (20.0) 50 (26.0)a 44 (33.1) 6 (13.0)e 0 (0) 6 (10.2)f
B12 5 (5.6) 4 (5.4) 0 (0) 1 (9.1) 1 (6.7) 43 (22.4)b 43 (32.3)c,d 0 (0)g 0 (0)e 0 (0)g
Folate 1 (1.1) 1 (1.4) 0 (0) 0 (0) 0 (0) 5 (2.6) 4 (3.01) 1 (2.2) 0 (0) 1 (1.7)
CRP 42 (47.2) 41 (55.4) 0 (0) 1 (9.1)e 1 (6.7)f 75 (39.1) 64 (48.1) 9 (19.6)e 2 (15.4) 11 (18.6)f

Prevalence of abnormal biochemical markers in our IBD cohort. The numbers of patients with low albumin, hemoglobin, iron, vitamin B12, and folate, and with high CRP levels, are shown.

a P < 0.05, bP < 0.001, cP < 0.0001 vs children.

d P < 0.05 vs male.

e P < 0.05, fP < 0.0002, gP < 0.0001 vs CD.