Table 1 Manuscripts that defined relapse and also discussed hospitalization used a range of definitions

Hospitalization is discussed, separately to relapse

25

Bechdolf et al. [16]; Crown et al. [59]; dos Reis et al. [47]; Dyck et al. [32]; Hayhurst et al. [33]; Miettunen et al. [40]; Olivares et al. [56]; Svarstad et al. [31]; Sun et al. [45]; Rabinowitz et al. [30]; Taylor et al. [22]; Thompson et al. [36]; Usall et al. [37]; Ward et al. [25]; Weiden et al. [26]; Whitehorn et al. [39]; Janicak et al. [48]; Zhu et al. [50]; Bechdolf et al. [15]; Drake et al. [20]; Novák-Grubic and Tacvar [34]; Olivares et al. [23]; Valencia et al. [46]; Kim [54]; Peuskens et al. [24]

Hospitalization equates to relapse

10

Buckley et al. [44]; de Sena et al. [35]; Hawley et al. [58]; Leucht et al. [30]; Malik et al. [11]; Rouillon et al. [49]; Spaniel et al. [52]; Spaniel et al. [53]; Taylor et al. [22]; Turkington et al. [42]

Hospitalization used as a component of relapse definition

14

Almond et al. [38]; Ascher-Svanum et al. [57]; Csernansky et al. [17]; Drake et al. [20]; Emsley et al. [18]; Gaertner et al. [28]; Gasquet et al. [55]; Haro et al. [21]; Haro et al. [51]; Hickling et al. [29]; Hong et al. [19]; Muirhead et al. [41]; Pharoah et al. [27]; Xiang et al. [43]

Exacerbation of symptoms leading to hospitalization equates to relapse

7

Berglund et al. [95]; Chabannes et al. [96]; Drake et al. [20]; Lancon et al. [93]; Simpson et al. [66]; Tomaras et al. [92]; Wahlbeck et al. [94]