Table 2.

Baseline characteristics of study population (N = 45).

Age (years)	Mean ± SD	43.8 ± 15.0
Female sex	N (%)	25 (56%)
State anxiety (STAI-S)
Days before surgery (T1)	Mean ± SD	41.7 ± 10.3
Evening before surgery (T2)	Mean ± SD	47.9 ± 12.7
Suggestibility (HGSHS-5:G)	Median (IQR)	3 (1–3)
Days from first test (T1) to surgery	Median (IQR)	3.0 (3.0–7.0)
Baseline muscle strength (Newton)
Days before surgery (T1)	Mean ± SD	65.0 ± 23.4
Evening before surgery (T2)	Mean ± SD	64.8 ± 23.5

STAI-S, State–Trait-Anxiety-Inventory (Spielberger, 1985).

HGSHS-5:G, 5-item Harvard Group Scale of Hypnotic Susceptibility (Riegel et al., 2021).