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Table 2 Medical risk factors for road traffic crashes among the elderly drivers, by status of polypharmacy, sarcopenia, dementia, and frail

From: Prevalence of medical factors related to aging among older car drivers: a multicenter, cross-sectional, descriptive study

 

Overall

N = 127

Everyday driver

N = 77

Occasional driver

N = 50

OR (95% CI)

p value

(1) Polypharmacy

Number of drugs prescribed more than 2 weeks, median [IQR]

4 [2, 6]

4 [2, 6]

3.5 [2, 5]

-

0.36

Polypharmacya

35 (27.6)

24 (31.2)

11 (22.0)

0.63 (0.25–1.52)

0.35

 -Including BZ drugs

16 (12.5)

11 (14.3)

5 (10.0)

0.67 (0.17–2.26)

0.59

 -Including anti-histamine drugs

4 (3.1)

2 (2.6)

2 (4.0)

1.56 (0.11–22.2)

0.65

(2) Sarcopeniab

 No

114 (89.8)

66 (85.7)

48 (96.0)

Reference

 

 Yes

11 (8.7)

10 (13.0)

1 (2.0)

0.14 (0.003–1.04)

0.049

 No data

2 (1.6)

1 (1.3)

1 (2.0)

-

 

  - Finger-ring test

   No risk of Sarcopenia

41 (32.3)

26 (33.8)

15 (30.0)

Reference

 

   Increased Risk of Sarcopenia

64 (50.4)

36 (46.8)

28 (56.0)

-

 

   Risk of Sarcopenia

22 (17.3)

15 (19.5)

7 (14.0)

0.81 (0.23–2.73)

0.79

  - 30-s chair-stand test

   No risk of Sarcopenia

61 (48)

33 (42.9)

28 (56.0)

Reference

 

   Risk of Sarcopenia

64 (50.4)

43 (55.8)

21 (42.0)

0.58 (0.26–1.26)

0.15

   No data

2 (1.6)

1 (1.3)

1 (2.0)

-

 

(3) Dementia

 - Mini-cog

  Not indicative of dementia (Score at 4 or 5)

106 (82.8)

63 (81.2%)

43 (86.0%)

Reference

 

  Risk of Dementia (Score at 0–3)

21 (16.4)

14 (18.2%)

7 (14.0%)

0.73 (0.23–2.14)

0.63

(4) Frail

 - Frail Index

  Not Frail (Score at 0)

28 (22.0)

18 (23.4)

10 (20.0)

Reference

 

  Pre-Frail (Score at 1–2)

80 (63.0)

47 (61.0)

33 (66.0)

-

 

  Frail (Score at ≥ 3)

19 (15.0)

12 (15.6)

7 (14.0)

1.05 (0.26–4.1)

1

 - Oral Frail

  Low risk (Score at 0–2)

23 (18.1)

14 (18.2)

9 (18.0)

Reference

 

  Intermediate risk (Score at 3)

35 (27.6)

24 (31.2)

11 (22.0)

-

 

  High risk (Score at ≥ 4)

69 (54.3)

39 (50.6)

30 (60.0)

1.2 (0.41–3.58)

0.81

  1. Percentages are given in the parentheses
  2. OR Odds ratio, CI Confidential interval
  3. Polypharmacy was defined as when patients prescribed 6 or more of drugs
  4. Those fulfilling both of the finger-ring test and 30-s chair-stand test