Among 68 CID patients,43 patients were males and 25 females,the average age was 53.93 years old,PS score was o in 9 patients,1 in 7 ones,2 in 24 ones,3 in 25 ones and 4 in 3 ones.

• 平均年龄53.；93岁。 PS评分:0分9例；1分7例；2分24例；3分25例；4分3例。