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Table 2 Quantitative variables of cases and controls

From: Qualitative and quantitative dermatoglyphics of chronic kidney disease of unknown origin (CKDu) in Sri Lanka

 

Cases

Endemic control

Non-endemic control

Mean

SD

Mean

SD

Mean

SD

PII

Male (N = 90)

13.68

3.28

12.34

3.66

13.32

3.82

Female (N = 90)

13.08

3.29

12.48

3.12

13.16

3.71

TRC

Male (N = 90)

151.62

41.82

144.02

42.78

149.63

47.57

Female (N = 90)

143.32

44.12

146.87

41.31

143.84

51.07

A-B RC

Male (N = 90)

83.81

10.59

76.99*

10.38

81.82

11.08

Female (N = 90)

85.10

12.36

77.67*

8.93

81.27§

10.26

  1. PII pattern intensity index, TRC total ridge count, A-B RC A-B ridge count, N number of values, SD standard deviation 
  2. *Mann-Whitney test P < 0.001
  3. §Mann-Whitney test P < 0.02