Table 2 Patient characteristics after propensity score matching

Age

84.5

[76.0–90.0]

87.0

[79.8—91.2]

0.056^a

Sex

Male

27

(37.5)

21

(29.2)

0.377^b

Female

45

(62.5)

51

(70.8)

BMI (kg/m²)

19.5

[17.8—20.9]

19.5

[18.1—21.1]

0.930^a

Nursing care level

Requiring assistance 1

0

(0)

0

(0)

0.532^b

Requiring assistance 2

1

(1.4)

0

(0)

Requiring nursing care 1

3

(4.2)

2

(2.8)

Requiring nursing care 2

5

(6.9)

9

(12.5)

Requiring nursing care 3

20

(27.8)

17

(23.6)

Requiring nursing care 4

29

(40.3)

35

(48.6)

Requiring nursing care 5

14

(19.4)

9

(12.5)

Disease causing dysphagia

Stroke

20

(27.8)

14

(19.4)

0.327^b

Parkinson disease

6

(8.3)

5

(6.9)

1.000^b

Dementia

32

(44.4)

30

(41.7)

0.866^b

Medication related to dysphagia

Antipsychotics

28

(38.9)

14

(19.4)

0.017^b

Anxiolytics/Hypnotics

25

(34.7)

14

(19.4)

0.060^b

Anticholinergics

7

(9.7)

5

(6.9)

0.764^b

Antiemetics/Antiulcer agents

3

(4.2)

0

(0)

0.245^b

Central muscle relaxants

0

(0)

0

(00)

NA