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Table 3 Pain after 6 weeks and 6 months by one standard deviation (SD) of preoperative anxiety (n = 100)

From: Anxiety and its predictive value for pain and regular analgesic intake after lumbar disc surgery - a prospective observational longitudinal study

 

Pain increase at 6-weeks.

Pain increase at 6-months.

 

NRS Points (95% confidence interval)

P value

NRS Points (95% confidence interval)

P value

Preoperative anxiety (SD)

−.12 (−.60–.37)

.64

.19 (−.36–.74)

.50

Age (years)

−.01 (−.04–.01)

.32

.00 (−.03–.03)

.99

BMI (points)

−.06 (−.16–.05)

.30

.12 (.00–.24)

.04*

Sex (male)

−.22 (− 1.16–.73)

.65

−.48 (− 1.54–.59)

.38

Preoperative pain (points)

.36 (.18–.55)

.00*

.36 (.15–.56)

.00*

Chronic pain (yes/no a)

.86 (−.10–1.82)

.08

.58 (−.50–1.66)

.29

Intercept

2.85 (−.75–6.45)

.12

− 1.68 (− 5.74–2.38)

.41

  1. a Preoperative pain duration > 6 months