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Table 2 Characteristics of all variables

From: Validation of the 7-item knee replacement patient education questionnaire (KR-PEQ-7), based on the 16-item knee osteoarthritis patient education questionnaire (KOPEQ)

Items Mean (SD) Median Min Max
Age 72.4 (8.19) 73 53 89
MMSE 28.4 (1.48) 28.5 25 30
S-TOFHLA 1a 33.6 (1.89) 34.0 29 36
S-TOFHLA 2a 10.6 (3.87) 10.0 4.83 23.67
S-TOFHLA 3a 23.8 (7.61) 23.0 10 36
KOPEQ 1 90.5 (14.58) 95.0 15 100
KOPEQ 2 85.7 (18.77) 92.5 0 100
KOPEQ 3 91.8 (10.75) 95.0 52 100
KOPEQ 4 90.6 (11.18) 94.5 44 100
KOPEQ 5 91.8 (7.06) 92.5 72 100
KOPEQ 6 90.4 (11.6) 93.0 38 100
KOPEQ 7 89.5 (17.00) 94.5 0 100
KOPEQ 8 93.4 (6.74) 94.5 73 100
KOPEQ 9 92.7 (7.35) 95.0 71 100
KOPEQ 10 92.3 (7.97) 95.0 71 100
KOPEQ 11 92.7 (7.82) 95.0 73 100
KOEPQ 12 92.7 (7.95) 94.0 69 100
IP A1 91.4 (9.78) 94.5 55 100
IP A2 91.3 (8.60) 93.0 68 100
IP A3 92.1 (8.97) 94.0 62 100
IP A4 8.7 (15.41) 91.5 20 100
IP A5 91.8 (9.55) 95.0 64 100
IP A6 92.5 (7.50) 94.0 69 100
IP A7 92.4 (7.63) 93.5 66 100
IP A8 90.9 (14.82) 95.0 6 100
IP A9 92.0 (11.98) 96.0 48 100
IP A10 85.7 (15.26) 90.5 49 100
IP A11 94.5 (6.49) 98.0 73 100
IP A12 93.1 (10.10) 97.5 51 100
IP A13 76.9 (25.36) 81.0 0 100
IP A14 87.3 (15.99) 92.0 39 100
IP A15 93.7 (7.22) 96.0 73 100
IP A16 92.7 (8.41) 96.0 65 100
IP B1 92.9 (8.54) 96.0 60 100
IP B2 91.4 (12.61) 97.0 49 100
IP B3 71.5 (28.01) 81.5 0 100
IP B4 93.8 (7.22) 96.5 73 100
IP B5 94.0 (7.16) 96.0 74 100
  1. aS-TOFHLA 1 (reading comprehension / 0–36 points), S-TOFHLA 2 (needed total time in minutes), S-TOFHLA 3 (number of points after 7 min)