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Table 1 Demographic data and postoperative outcomes

From: Thoracic paravertebral block reduced the incidence of chronic postoperative pain for more than 1 year after breast cancer surgery

 

Chronic pain (n = 17)

No chronic pain (n = 29)

p value

Age (years)

55.7 ± 11.7

57.4 ± 12.4

0.78

Height (cm)

156.2 ± 6.9

155.3 ± 6.0

0.60

Body weight (kg)

56.8 ± 10.9

55.7 ± 9.1

0.82

Body mass index

23.3 ± 4.0

23.1 ± 3.1

0.97

Type of surgery

 Lumpectomy

10

13

0.38

 Mastectomy

7

16

 

No. of axillary lymph nodes removed

4

5

0.71

Treatment received

 Surgery alone

16

26

 

 Surgery + radiation

0

1

1

 Surgery + chemotherapy

0

1

 

 Surgery + radiation + chemotherapy

1

1

 

Postsurgery (months)

15.2 ± 1.4

14.7 ± 1.3

0.18

No. of perioperative thoracic paravertebral nerve blocks

5

18

0.039

Postsurgery acute pain (<24 h)

   

Severe

2 (11.8 %)

0 (0 %)

 

Moderate

6 (35.3 %)

9 (31.0 %)

0.33

Mild

5 (29.4 %)

11 (37.9 %)

 

None

4 (23.5 %)

9 (31.0 %)

 

Incidence of rescue analgesics

1 [0–4]

0 [0–3]

0.23

No. of cancer recurrence

0

0

1

  1. Data are shown as mean ± SD or median [range]