Table 1.

Preoperative patient characteristics.

Series	Type of valve	Route	N	Mean age	NYHA 3/4	NYHA 4	EF%
Makkar et al. [42]	Sapien		179	83.1	165 (92%)		53.9
Kodali et al. [14]	Sapien	244 transfemoral 104 transapical	348	83.6	328 (94%)		52.5
Thomas et al. [12, 13]	Sapien	463 transfemoral	463	81.7	353 (76%)	68 (15%)
Thomas et al. [12, 13]	Sapien	575 transapical	575	80.7	446 (78%)	78 (14%)
Himbert et al. [10]	Sapien	51 transfemoral	51	82	49 (96%)	22 (43%)	52
Himbert et al. [10]	Sapien	24 transapical	24	82	22 (92%)	9 (38%)	48
Grube et al. [9]	CoreValve		136	81.6	130 (96%)		51.5
Litzler et al. [15]	Sapien		61	81	44 (72%)		56.3
Tamburino et al. [16]	CoreValve	599 transfemoral 64 transsubclavian	663	81	434 (71.5%)		52.1
Avanzas et al. [17]	CoreValve		108	78.6	63 (58.4%)	22 (20.4%)
Kempfert et al. [11]	Sapien	299 transapical	299	82	252 (84%)	53 (18%)	55.3
Gotzmann et al. [18]	CoreValve		145	79.1	138 (95%)	34 (23%)	55.8
Bleiziffer et al. [19]	Sapien and CoreValve		227	81	218 (96%)