Table 2 Intakes of energy, fish among case and control subjects in Guangdong, Chinaa.

From: Higher freshwater fish and sea fish intake is inversely associated with colorectal cancer risk among Chinese population: a case-control study

 

Cases (n = 1189)

Controls (n = 1189)

P value

Mean

SD

Median (25th, 75th)

Mean

SD

Median (25th, 75th)

Energy (kcal/day)

1591

505.7

1522 (1224, 1863)

1750

537.1

1683 (1367, 2033)

<0.01

Freshwater fish (g/day)

34.54

40.83

23.14 (7.58, 46.85)

46.31

53.84

31.02 (13.54, 58.30)

<0.01

Sea fish (g/day)

23.48

49.95

3.04 (0, 23.96)

21.25

43.24

4.80 (0, 23.03)

0.04

Dried/salted fish (g/day)

3.15

13.74

0 (0, 1.46)

1.59

4.85

0.09 (0, 1.36)

0.92

Shellfish (g/day)

11.71

22.89

4.47 (0.44, 12.74)

10.72

27.45

3.86 (1.05, 11.10)

0.96

Fresh fish (g/day)

65.68

63.35

48.75 (22.70, 85.92)

77.51

74.58

55.60 (32.53, 99.88)

<0.01

  1. Wilcoxon rank-sum test comparing the median consumption levels between cases and controls.
  2. aadjusted the fish consumption for total energy intake by the regression residual method.
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