Table 3

Clinical Parameters at Baseline and 6-Month Follow-Up According to LV Lead Position

All Patients
(n = 250)
Concordant/ Adjacent
LV Lead
(n = 202)
Remote
LV Lead
(n = 48)
p Value
NYHA functional class
 Baseline3.12 ± 0.333.12 ± 0.323.2 ± 0.410.33
 Follow-up2.17 ± 0.792.0 ± 0.72.5 ± 0.8
 Change–0.96 ± 0.78–1.04 ± 0.73–0.58 ± 0.920.002
6MWT, m
 Baseline224 ± 96229 ± 95216 ± 890.31
 Follow-up275 ± 105284 ± 105233 ± 104
 Change48.0 ± 72.754 ± 7317 ± 630.005
MLHFQ
 Baseline54 ± 19.957 ± 1950 ± 210.04
 Follow-up36 ± 2135 ± 2143 ± 19
 Change–19.0 ± 19.8–21.5 ± 19.0–7 ± 19<0.001

Values are mean ± SD. p Value for comparison of concordant/adjacent and remote groups.

6MWT = 6-min walk test; MLHFQ = Minnesota living with heart failure questionnaire; other abbreviations as in Table 1.