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Table 2 Numbers of participants passed (passing rate of) the items of the Stanford Hypnotic Susceptibility Scale: Form C in healthy volunteers (controls, n = 120), and patients with bipolar I (BD I, n = 62) and II (BD II, n = 33) disorders

From: Hypnotic susceptibility and affective states in bipolar I and II disorders

  Controls BD I BD II χ 2(df: 2) p η2
Hand lowering 97 (80.8%) 54 (87.1%) 28 (84.8%) 1.22 .55 .03
Moving hands apart 89 (74.2%) 56 (90.3%)a 25 (75.8%) 6.68 .04 .19
Mosquito hallucination 85 (70.8%) 32 (51.6%)a 18 (54.5%) 7.56 .02 .22
Taste hallucination 91 (75.8%) 49 (79.0%) 27 (81.8%) 0.62 .73 .02
Arm rigidity 83 (69.2%) 47 (75.8%) 26 (78.8%) 1.66 .44 .05
Dream 46 (38.3%) 24 (38.7%) 15 (45.5%) 0.55 .76 .02
Age regression 104 (86.7%) 52 (83.9%) 29 (87.9%) 0.11 .95 < .01
Arm immobilization 65 (54.2%) 37 (59.7%) 23 (67.7%) 2.64 .27 .08
Anosmia to ammonia 47 (39.2%) 22 (35.5%) 18 (54.5%) 3.05 .22 .10
Hallucinated voice 18 (15.0%) 5 (8.1%) 3 (9.1%) 2.17 .34 .06
Negative visual hallucination 48 (40.0%) 19 (30.6%) 10 (31.3%) 1.65 .44 .05
Posthypnotic amnesia 18 (15.0%) 5 (8.1%) 6 (18.2%) 2.41 .30 .07
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