Table 2. Frequency of catatonia signs in the sample (% of 44).

Signs of catatonia	Frequency
Staring	33 (75%)
Mutism	27 (61.3%)
Rigidity	18 (40.9%)
Stupor	16 (36.4%)
Grimacing	15 (34.1%)
Posturing	13 (29.6%)
Participants with 2 signs of catatonia	7 (15.9%)