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Table 2 Outcomes

From: Nocebo effects by providing informed consent in shared decision making? Not necessarily: a randomized pilot-trial using an open-label placebo approach

 

intervention

control

p-value

“Please indicate how much you have felt impaired by side effects” (main outcome)

(1 “not at all” – 10 “very much”)

1.5 (±1.4)

2.8 (±3.0)

p = 0.06

“How well did you sleep last night?”

(1 “very bad” – 5 “very good”)

2.4 (±1.3)

2.1 (±1.2)

p = 0.56

“How much did the new drug cause side effects?”

(1 “not at all” – 5 “a lot”)

1.3 (±0.7)

1.6 (±1.2)

p = 0.23

“How satisfied have you been with the new drug?”

(1 “not satisfied at all” – 5 “very satisfied”)

2.0 (±1.3)

1.6 (±0.8)

p = 0.29

“How satisfied have you been with the amount of information about the new drug?”

(1 “not satisfied at all” – 5 “very satisfied”)

4.5 (±1.1)

4.4 (±1.3)

p = 0.76

“How recreative was your sleep?”

(1 “very recreative” – 6 “not recreative at all”)

4.2 (±1.7)

4.2 (±1.5)

p = 0.98

Time to fall asleep (min)

98.9 (±88.9)

108.0 (±87.4)

p = 0.55

Time spent awake during night (min)

115.9 (±113.2)

120.2 (±134.3)

p = 0.90

Time spent sleeping (min)

306.2 (±122.1)

335.0 (±157.0)

p = 0.47

Nightmares (Yes)

15.4% (n = 4)

16.0% (n = 4)

p = 1.00