Table 1.
Catatonic (n= 51) | Non-catatonic (n = 55) | Statistics* | ||||
---|---|---|---|---|---|---|
N | Percent | N | Percent | χ 2 | P-value | |
Men | 13 | 25.5 | 15 | 27.3 | 0.04 | .835 |
Diagnosis of schizophrenia | 16 | 31.4 | 19 | 33.9 | 0.79 | .778 |
Currently smoking | 2 | 3.9 | 5 | 8.9 | 1.14 | .287 |
On medication | 48 | 94.1 | 53 | 96.4 | 0.30 | .586 |
On antipsychotic | 34 | 66.7 | 47 | 85.5 | 5.18 | .023 |
FGAs | 11 | 21.6 | 19 | 34.5 | 2.20 | .138 |
SGAs | 23 | 46.0 | 28 | 50.9 | 0.25 | .615 |
Mean | SD | Mean | SD | t | P-value | |
Age | 32.8 | 8.7 | 33.9 | 10.2 | −0.60 | .553 |
Body Mass Index | 22.4 | 3.1 | 23.1 | 3.4 | −1.00 | .321 |
PANSStot | 81.4 | 2.4 | 57.0 | 18.6 | 7.02 | <.001 |
PANSSpos | 18.6 | 6.0 | 15.8 | 7.4 | 2.19 | .031 |
25th percentile | 75th percentile | 25th percentile | 75th percentile | Z | P-value | |
Duration of illness | 3.0 | 146.0 | 27.0 | 157.0 | −1.51 | .132 |
OLZeq | 0 | 6.3 | 2.0 | 10.0 | −2.55 | .011 |
CK(U/l) | 43.0 | 686.0 | 39.0 | 118.0 | −3.09 | .002 |
Cortisol (pg/ml) | 14.6 | 20.6 | 13.7 | 20.8 | −0.10 | .922 |
ACTH (pg/ml) | 20.4 | 41.4 | 24.7 | 64.0 | −2.58 | .010 |
IgG (g/l) | 9.0 | 12.7 | 9.2 | 12.3 | −0.79 | .427 |
C3 (g/l) | 0.7 | 0.9 | 0.7 | 1.0 | −1.50 | .133 |
C4 (g/l) | 0.2 | 0.3 | 0.2 | 0.2 | −0.61 | .539 |
BFCRS | 14.0 | 22.0 | 0 | 1.0 | −9.05 | <.001 |
PANSSneg | 14.0 | 26.0 | 7.0 | 15.0 | −6.11 | <.001 |
Note: FGAs, first-generation antipsychotics; SGAs, second-generation antipsychotics; PANSSpos, Positive subscale score of the Positive and Negative Syndrome Scale; PANSSneg, Negative subscale score of the Positive and Negative Syndrome Scale; PANSStot, total score of the Positive and Negative Syndrome Scale; BFCRS, Bush-Francis catatonia rating scale; CK, creatine kinase; ACTH, adrenocorticotropic hormone; IgG, immunoglobulin G; C3, complement component 3; C4, complement component 4; OLZeq, olanzapine equivalent dose.
*Bonferroni adjustment for the 21 comparisons to a critical α of P < .0024.