Skip to main content

Table 1 Confounding factors and preoperative anamnestic data

From: The effect of preoperative suggestions on perioperative dreams and dream recalls after administration of different general anesthetic combinations: a randomized trial in maxillofacial surgery

Sample size

 

  270

Sex

Female

169 (62.6%)

 

Male

101 (37.4%)

Age distribution

11-18yr

20 (7.4%)

 

19-30yr

91 (33.7%)

 

31-50yr

78 (28.9%)

 

51-75yr

79 (29.3%)

 

75 < yr

2 (0.7%)

Frequency of dreaming per week at home

Mean (±SD)

2.78 (±2.17)

Repeated dreams

Yes

122 (45.2%)

 

None

148 (54.8%)

Recalled home dreams

Generally recalled

135 (50%)

 

Sometimes recalled

89 (33%)

 

Non-recalled

41 (15.2%)

 

No dreams at all

5 (1.9%)

Present indication of surgery

Accident

78 (28.9%)

 

Cancer

70 (25.9%)

 

Inflammatory

14 (5.2%)

 

Reconstructive

35 (13%)

 

Other

73 (27%)

Level of preoperative anxiety

1 (weak)

10 (3.7%)

 

2

21 (7.8%)

 

3

96 (35.6%)

 

4

74 (27.4%)

 

5 (strong)

69 (25.6%)

History of general anesthesia

Yes

158 (58.5%)

 

No

112 (41.5%)

Experience by former anesthesia

Neutral

73 (46.2%)

 

Positive

59 (37.3%)

 

Negative

26 (16.5%)

Dream during former anesthesia

Yes

12 (7.6%)

 

No

146 (92.4%)

Recalled dream during former anesthesia

Yes

8 (66.7%)

 

No

4 (33.3%)