Table 2

Characteristics of children, aged 1–5 years, with and without night blindness in the Republic of the Marshall Islands

Night blindness

Characteristic 1

Yes (n = 24)

No (n = 257)

P


Mean age (years)

3.5 (3.0, 4.0)

2.9 (2.7, 3.1)

0.03

Sex (% male)

66.7

48.6

0.09

Geometric mean AGP (mg/L)

925 (819, 1044)

924 (881, 970)

0.99

AGP >1000 mg/L (%)

43.5

45.8

0.83

Geometric mean CRP (mg/L)

1.3 (0.2, 11.8)

1.7 (0.1, 324.3)

0.36

CRP >5 mg/L (%)

8.7

23.1

0.11

With inflammation (%) 2

47.8

49.3

0.89

Geometric mean IL-6 (pg/mL)

3.9 (0.9, 14.1)

3.9 (0.7, 16.2)

0.96

Mean retinol (μmol/L)

0.40 (0.04, 1.00)

0.62 (0.02, 1.90)

0.007

Retinol <0.70 μmol/L (%)

79.2

56.8

0.03

Mean hemoglobin (g/L)

106 (101, 110)

109 (108, 110)

0.09

Hemoglobin <110 g/L (%)

58.3

35.7

0.029


1 For continuous variables (95% CI). 2 Inflammation defined as AGP >1000 mg/L and/or CRP >5 mg/L.

Maqsood et al. Nutrition Journal 2004 3:21   doi:10.1186/1475-2891-3-21

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