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Table 1 Patient demographics

From: Nonsteroidal anti-inflammatory drug exposure and the risk of microscopic colitis

 

Total (%)

New MC (%)

MC Registry (%)

p-vala

All MC (%)

No MC (%)

p-valb

Number of patients

198

21 (10.61)

59 (29.80)

 

80 (40.40)

118 (59.60)

 

Female

140 (70.71)

16 (76.19)

49 (83.05)

0.49

65 (81.25)

78 (66.10)

0.01

Race/ethnicity

       

Caucasian

179 (90.140)

18 (85.71)

57 (96.61)

0.14

75 (93.75)

104 (88.14)

0.24

Hispanic

5 (2.53)

2 (9.52)

1 (1.69)

3 (3.75)

2 (1.63)

African American

4 (2.02)

0 (0.00)

1 (1.69)

1 (1.25)

3 (2.54)

Asian

4 (2.02)

0 (0.00)

0 (0.00)

0 (0.00)

4 (3.25)

Other/unknown

6 (3.03)

1 (4.76)

0 (0.00)

1 (1.25)

5 (4.07)

Age (years), Mean ± Standard deviation

57.55 ± 15.27

59.05 ± 15.04

60.86 ± 14.42

0.63

60.38 ± 14.51

55.62 ± 15.53

0.03

Smoking status

       

Current

20 (10.10)

2 (9.52)

10 (16.95)

0.70

12 (15.00)

8 (6.78)

0.13

Former

68 (34.34)

8 (38.10)

22 (37.29)

30 (37.50)

38 (32.20)

Never

109 (55.05)

11 (52.38)

27 (45.76)

38 (47.50)

71 (60.20)

History of celiac disease

2 (1.01)

0 (0.00)

1 (1.69)

1.00

1 (1.22)

1 (0.85)

0.78

Diagnosis

       

Collagenous colitis

 

6 (28.57)

14 (23.73)

0.66

20 (25.00)

–

–

Lymphocytic colitis

 

15 (71.43)

45 (76.27)

60 (75.00)

–

  1. Demographic characteristics are listed, first comparing patients with newly diagnosed microscopic colitis (MC) at colonoscopy and those obtained from the MC registry (p-vala), followed by all MC patients compared to diarrheal controls negative for MC on colonoscopy (p-valb)