Table 1 Characteristics of 1994 CDC patients, ICC patients, and healthy controls

Age, mean (SD)

50.7 (7.4)

49.3 (13.2)

49.7 (10.9)

Gender (% female)

68%

95%

66%

<0.05^a

Illness duration (years), mean (SD)

18.9 (13.6)

19.0 (10.2)

n/a

Haemoglobin (g/L) mean (SD)

134.9 (13.6)

132.9 (11.9)

140.7 (12.6)

<0.05^b

White cell count (x10⁹/L) mean (SD)

6.1 (1.5)

6.1 (1.9)

6.0 (1.5)

Platelets (×10⁹/L) mean (SD)

247.9 (66.8)

276.7 (68.5)

235.5 (48.2)

Haematocrit mean (SD)

0.41 (0.04)

0.40 (0.03)

0.43 (0.03)

<0.05^b

Red cell count (×10¹²/L) mean (SD)

4.45 (0.4)

4.40 (0.4)

4.65 (0.43)

<0.05^b

Mean corpuscular volume (×10⁹/L)

91.8 (3.6)

91.6 (2.9)

92.0 (2.5)

Neutrophils (×10⁹/L) mean (SD)

3.75 (1.3)

3.48 (1.6)

3.81 (1.28)

Lymphocytes (×10⁹/L) mean (SD)

1.83 (0.4)

2.04 (0.8)

1.72 (0.43)

Monocytes (×x10⁹/L) mean (SD)

0.30 (0.1)

0.34 (0.1)

0.32 (0.12)

Eosionophils (×10⁹/L) mean (SD)

0.17 (0.1)

0.15 (0.1)

0.15 (0.11)

Basophils (×10⁹/L) mean (SD)

0.03 (0.03)

0.03 (0.03)

0.03 (0.02)

ESR (mm/Hr) mean (SD)

15.5 (11.2)

15.7 (13.8)

10.2 (8.4)

<0.05^b

Sodium (mmol/L) mean (SD)

138.6 (1.3)

130.8 (30.0)

138.2 (1.8)

Potassium (mmol/L) mean (SD)

4.0 (0.3)

9.3 (23.2)

4.0 (0.3)

Chloride (mmol/L) mean (SD)

104.1 (2.0)

99.6 (17.5)

103.6 (2.5)

Bicarbonate (mmol/L) mean (SD)

26.7 (2.1)

24.7 (5.3)

26.5 (2.6)

Anions (mmol/L) mean (SD)

7.9 (1.3)

8.6 (2.5)

8.3 (1.7)