The total number of hospitalizations for any cause ( n = @ versus n = @ ; P = @ ) , any cardiovascular cause ( n = @ versus n = @ ; P = @ ) , and any heart failure cause ( n = @ versus n = @ ; P < @ ) was significantly lower in ICD-CRT group compared with the ICD group , whereas the number of hospitalizations for device-related causes was significantly higher in the ICD-CRT group compared with the ICD group ( @ versus @ ; P < @ ) .