Document Classification

Section Type: RESULTS

Text: Mean age was 66. 49. 8 years, and mean QRS duration was 159. 323. 1 ms. Compared to baseline, both arms had significant improvements in Minnesota Living With Heart Failure score (given as mean [95 % confidence interval]) (baseline versus Lo : 43. 3 [35. 5 to 51. 1] versus 21. 3 [14. 6 to 28. 0], P < 0. 01 ; baseline versus Hi : 43. 3 [35. 5 to 51. 1] versus 23. 6 [16. 1 to 31. 1], P < 0. 01) and 6-minute walk distance (baseline versus Lo : 692 ft [581 to 804] versus 995 ft [876 to 1114], P < 0. 01 ; baseline versus Hi : 699 ft [585 to 813] versus 982 ft [857 to 1106], P < 0. 01).