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Table 1 Sociodemographic and clinical variables, and baseline MLHFQ and SF-12 scores: descriptive statistics of the sample (N = 2565)

From: The Minnesota living with heart failure questionnaire: comparison of different factor structures

Parameter n (%)
Age, mean (SD) 77.25 (10.21)
Sex, men 1291 (50.33)
Body mass index (kg/m2)  
 BMI < 25 234 (20.47)
 25 ≤ BMI < 30 426 (37.27)
 30 ≤ BMI < 35 299 (26.16)
 BMI ≥35 184 (16.10)
Smoking history  
 No 1232 (58.17)
 Ex 710 (33.52)
 Yes 176 (8.31)
Left ventricular ejection fraction  
 ≤45 % 888 (39.15)
 >45 % 1380 (60.85)
NYHA classification at discharge  
 I 89 (3.62)
 II 1306 (53.07)
 III 1021 (41.49)
 IV 45 (1.83)
Charlson comorbidity index  
 0 173 (6.88)
 1 500 (19.90)
 2 578 (23)
 3 484 (19.26)
 >3 778 (30.96)
MLHFQ score, mean (SD)  
 Physical subscale 27.40 (9.05)
 Emotional subscale 12.40 (7.28)
 Total scale 57.85 (22.69)
SF-12 score, mean (SD)  
 Physical Component Summary 29.30 (8.91)
 Mental Component Summary 41.55 (11.36)
  1. Data are expressed as frequency (percentage) unless otherwise stated. Percentages exclude patients with missing data
  2. SD Standard deviation, BMI Body mass index, NYHA New York Heart Association
  3. The scores for the MLHFQ physical subscale range from 0 to 40, the emotional subscale from 0 to 25, and the total scale from 0 to 105, with higher scores indicating worse health status. The scores for the SF-12 domains range from 0 to 100, with higher scores indicating better health status