(S (S (CON しかし) (COMMA 、) (S (SBAR (S (PP-SBJ (BASENP (NN 患者) (NN 集団)) (IN が)) (VP (ADVP (NN 均等) (INRB に)) (VP (VP (VP (NN 分割) (VBO さ)) (VP (VBV れ))) (VP (MD た))))) (INCON が)) (COMMA 、) (S (S (PP-SBJ (NP (NP (PP (NP (S-REL-NSBJ (VP (PP-OBJ (BASENP (NN ＭＩＴ) (NN 療法)) (IN を)) (VP (VBV 受け) (VP (MD た))))) (NN 患者)) (IN の)) (NN うち)) (BASENP (NN ７) (NN 人))) (IN が)) (VP (VBV 死に))) (COMMA 、) (S (PP-SBJ (NP (PP (NP (S-REL-NSBJ-NOBJ (VP (VBO 受け) (VP (MDV なかっ) (VP (MD た))))) (NN 患者)) (IN の)) (BASENP (NN ２０) (NN 人))) (IN が)) (VP (VBV 死ん) (VP (MD だ))))))) (PERIOD 。))
しかし 、 患者 集団 が 均等 に 分割 さ れ た が 、 MＩT 療法 を 受け た 患者 の うち ７ 人 が 死に 、 受け なかっ た 患者 の ２０ 人 が 死ん だ 。
However , while the set of patients was evenly split , only 7 patients who received MIT therapy died , and 20 patients who did not receive it died .