Factors

Decoding

IT not developed

IT developed

p

abs.

%

abs.

%

Onychomycosis, onychogryphosis, mycosis of the feet, etc.

no

30

60.0

20

40.0

<0.001

yes

18

22.0

64

78.0

Pathological (flattened, hourly, etc.) nail shape

no

28

57.1

21

42.9

0.003

yes

24

28.9

59

71.1

Post-traumatic nail deformity

no

36

75.0

12

25.0

<0.001

yes

22

26.2

62

73.8

Hyperkeratosis of the periungual ridges

no

21

58.3

15

41.7

0.012

yes

31

32.3

65

67.7

Wearing uncomfortable (tight, high-heeled) shoes

no

40

63.5

23

36.5

0.004

yes

25

36.2

44

63.8

Toe deformity (hallux valgus, hallux varus, hallux rigidus)

no

41

78.8

11

21.2

0.002

yes

40

50.0

40

50.0

Deformity of the foot (flat feet, clubfoot)

no

51

70.8

21

29.2

<0.001

yes

20

33.3

40

66.7

Adiposis

no

51

83.6

10

26.4

<0.001

1-2 degrees

12

46.2

14

53.8

3-4 degrees

4

8.9

41

91.1

Poor foot hygiene

no

24

61.5

15

38.5

0.080

yes

40

43.0

53

57.0

Hyperhidrosis of the feet

no

57

78.1

16

21.9

<0.001

yes

20

33.9

39

66.1

Diabetes mellitus

no

27

56.3

21

43.7

<0.001

yes

19

24.4

59

63.6

presence with local trophic disorders

1

16.7

5

83.3

The presence of obliterating vascular diseases of the lower extremities

no

31

54.5

26

43.5

0.315

yes

30

78.3

38

21.7

presence with local trophic disorders

3

58.1

4

41.9

Injury of the periungual roller with the nail plate

no

22

66.7

11

33.3

<0.001

yes, due to mechanical injury

12

34.3

23

65.7

yes, due to improper nail clipping

7

10.8

58

89.2