Table 3

 Cardiopulmonary exercise testing at baseline and during follow up in the CRT and the control group

Baseline3 months12 months24 months
Control (n = 59)CRT (n = 65)Control (n = 57)CRT (n = 64)Control (n = 53)CRT (n = 62)Control (n = 49)CRT (n = 58)
Data are mean (SEM).
*p<0.05 compared with control.
Maximum exercise duration (s)458 (185)464 (172)494 (162)553 (194)*471 (192)573 (202)*455 (187)557 (188)*
Peak Vo2 (ml/kg × min)13.4 (4.0)13.9 (4.5)12.8 (3.0)17.1 (4.1)*13.1 (3.7)17.8 (4.2)*12.6 (3.5)16.8 (3.9)*
Vo2-AT (ml/kg × min)10.7 (3.2)11.1 (3.8)10.2 (3.3)13.3 (3.2)*11.5 (3.7)14.0 (4.1)*10.8 (3.2)14.4 (3.7)*