2010 | 2011 | 2012 | Chi-square value | p level | |
Hallucinatory paranoid state [n (%)] | 155 (25.92) | 146 (24.01) | 156 (25.74) | 49.31 | p < 0.01 |
Z | 0.48 | −0.84 | 0.36 | ||
Confusional state [n (%)] | 32 (5.35) | 44 (7.24)a | 19 (3.14)b | ||
Z | 0.15 | 2.71 | −2.85 | ||
Manic state [n (%)] | 55 (9.20) | 71 (11.68)a | 49 (8.09) | ||
Z | −0.47 | 2.07 | −1.61 | ||
Depressive state [n (%)] | 150 (25.08) | 128 (21.05)b | 161 (26.57) | ||
Z | 0.60 | −2.24 | 1.65 | ||
Neurasthenic state [n (%)] | 9 (1.51)b | 39 (6.41)a | 21 (3.47) | ||
Z | −3.60 | 4.12 | −0.54 | ||
Delirium [n (%)] | 17 (2.84) | 28 (4.61)a | 14 (2.31) | ||
Z | −0.70 | 2.30 | −1.61 | ||
Dementia [n (%)] | 86 (14.38) | 71 (11.68) | 77 (12.71) | ||
Z | 1.31 | −1.12 | −0.19 | ||
Others [n (%)] | 94 (15.72) | 81 (13.32) | 109 (17.99) | ||
Z | 0.04 | −1.96 | 1.92 |