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Table 4 Patient categories at baseline, 6 months and 12 months, and change of categories at 6 months and 12 months

From: Schizophrenia symptoms and functioning in patients receiving long-term treatment with olanzapine long-acting injection formulation: a pooled analysis

   Categories at 6 (±1) months    
Baseline category Num. of patients1 A B C D E Missing at 6 months2 Category improved2 Category worsened2
A 162 (14%) 86 26 7 0 0 43 (27%) N.A. 33 (20%)
B 434 (37%) 61 210 9 12 1 141 (33%) 61 (14%) 13 (3%)
C 208 (18%) 68 16 61 8 1 54 (26%) 68 (33%) 9 (4%)
D 303 (26%) 14 80 18 62 2 127 (42%) 112 (37%) N.A.
E 72 (6%) 3 14 3 18 7 27 (38%) 20 (28%) N.A.
Missing 3 (0.3%) 0 0 0 0 0 3   
Total 1182 (100%) 232 (20%) 346 (29%) 98 (8%) 100 (8%) 11 (1%) 395 (33%) 261 (26%) 55 (7%)
   Categories at 12 (±3) months    
Baseline category Num. of patients 1 A B C D E Missing at 1 year 2 Category improved 2 Category worsened 2
A 162 (14%) 83 22 7 1 0 49 (30%) N.A. 30 (19%)
B 434 (37%) 58 169 7 11 4 185 (43%) 58 (13%) 15 (3%)
C 208 (18%) 62 21 36 3 0 86 (41%) 62 (30%) 3 (1%)
D 303 (26%) 20 60 16 43 1 163 (54%) 96 (32%) N.A.
E 72 (6%) 7 12 4 8 4 37 (51%) 23 (32%) N.A.
Missing 3 (0.3%) 0 0 0 0 0 3   
Total 1182 (100%) 230 (19%) 284 (24%) 70 (6%) 66 (6%) 9 (1%) 523 (44%) 239 (24%) 48 (6%)
  1. Patients improving from baseline to 6 months/1 year are indicated in bold. Patients worsening from baseline to 6 months/1 year are indicated in bold italics. 1% to the column total across baseline categories; 2% to the row total within baseline category N.A.: not applicable.