Table 3 Pearson’s correlation matrix of the KOPEQ with the other variables

1. KOPEQ

–

2. IP

.77

(0.60 to 0.89)

–

3. S-TOFHLA 1

.15

(−0.18 to 0.44)

−.23

(−0.57 to 0.18)

–

4. S-TOFHLA 2

−.02

(−0.33 to 0.30)

.32

(0.07 to 0.55)

−.43 (−0.63 to −0.16)

–

5. S-TOFHLA 3

.14

(− 0.24 to 0.46)

−.23

(− 0.57 to 0.11)

.59 (0.40 to 0.72)

−.87

(− 0.94 to − 0.78)

–

6. MMSE

.14

(−0.12 to 0.14)

.05

(− 0.28 to 0.34)

.13

(− 0.13 to 0.39)

−.11

(− 0.37 to 0.11)

.20

(− 0.07 to 0.49)

–