Table 3 Patient-reported quality of life [EQ-5D index and EQ-5D VAS (visual analogue scale] before and 1, 7, and 14 days after surgery in 50 patients aged 51–85 years who underwent decompression due to central lumbar spinal stenosis (CLSS). Data are presented as means (95% CI)

EQ-5D index

 All (n = 50)

0.68 (0.66, 0.71)

0.78 (0.74, 0.81)

0.82 (0.79, 0.86)

0.83 (0.81, 0.86)

< 0.001

0.02

 Men (n = 25)

0.68 (0.64, 0.72)

0.78 (0.73, 0.83)

0.82 (0.77, 0.88)

0.85 (0.80, 0.89)

< 0.001

0.16

 Women (n = 25)

0.69 (0.65, 0.73)

0.77 (0.73, 0.81)

0.83 (0.78, 0.87)

0.82 (0.78, 0.86)

0.002

0.11

 p value (men vs. women)

0.56

0.77

0.90

0.32

–

–

EQ-5D VAS

 All (n = 50)

48.2 (44.6, 51.9)

62.0 (57.7, 66.2)

67.9 (63.6, 72.3)

69.3 (65.5, 73.0)

< 0.001

0.03

 Men (n = 25)

47.4 (41.9, 52.9)

63.1 (56.1, 70.1)

68.0 (61.3, 74.8)

71.6 (66.1, 77.1)

< 0.001

0.16

 Women (n = 25)

49.1 (44.0, 54.2)

60.9 (55.5, 66.2)

67.8 (61.8, 73.9)

66.9 (62.4, 72.3)

< 0.001

0.15

 p value (men vs. women)

0.64

0.61

0.96

0.21

–

–