Table 1: Long-term followup series in young adults with ischemic stroke.

Number of patients Mean followup [years] Type of study Varona et al. [12] 272 11.7 Retrospective Putaala et al. [31] 731 5 Prospective Hindfelt and Nilsson [13] 74 16 Prospective Marini et al. [10] 330 8 Prospective Kappelle et al. [9] 296 6 Retrospective Lanzino et al. [20] 155 5.8 Prospective Camerlingo et al. [21] 135 5.7 Prospective Bogousslavsky and Regli [18] 38 3.8 Consecutive cases Ferro and Crespo [14] 215 3.5 Prospective Leys et al. [11] 287 3 Prospective Chancellor et al. [29] 59 3 Retrospective Matias-Guiu et al. [22] 386 2.8 Prospective Grindal et al. [26] 34 2.7 Retrospective Snyder and Ramirez-Lassepas [27] 52 2.4 Retrospective Srinivasan [28] 46 2 Retrospective Nedeltchev et al. [32] 136 2.1 Prospective Musolino et al. [30] 60 6.1 Prospective Naess et al. [33] 232 5.7 Retrospective