Table 2 Basic characteristics for the whole population of patients treated surgically for ulnar nerve entrapment at the elbow and sick leave length for the working population.

From: A prospective study of predictors of return to work after surgery for ulnar nerve entrapment

 

Total population n = 65

Sick leave, weeks median [IQR] n = 49

p-value

Age

Higher age group (range 51–85 years)

32 (49)

7 [6]

0.802*

Lower age group (range 24–50 years)

33 (51)

6 [4]

Sex

Women

25 (38)

6 [5]

0.887*

Men

40 (62)

6 [4]

Preoperative symptom grade 1–5

Grade 1

2 (4)

6 [0]

0.830**

Grade 2a

9 (14)

7 [5]

Grade 2b

5 (8)

4 [6]

Grade 3

9 (14)

8 [5]

Grade 4

18 (28)

6 [5]

Grade 5

22 (34)

7 [7]

Preoperative McGowan

Grade 1

16 (25)

6 [4]

0.788**

Grade 2

27 (42)

6 [5]

Grade 3

21 (33)

7 [7]

Smoking

Yes

8 (12)

6 [19]

0.688*

No

57 (88)

6 [4]

Snus user a)

Yes

21 (33)

6 [5]

0.105*

No

43 (67)

7 [5]

Previous or current pain issues

Yes

15 (23)

5 [5]

0.265*

No

48 (74)

7 [3]

Previous contact with a pain clinic b)

Yes

5 (8)

6 [−]

0.913*

No

58 (92)

6 [4]

Occupation

Non-manual labor

16 (25)

4 [5]

0.025**

(All groups)

0.003*

non-manual vs manual (post-hoc)

Manual labor

28 (43)

7 [3]

Student d)

2 (3)

4 [–]

Unemployed e)

3(5)

3 [−]

Permanent sickness benefit

3 (5)

N/A

Retired

13 (20)

N/A

Preoperative sick leave c)

Yes

6 (10)

8 [11]

0.200*

No

55 (90)

6 [5]

Type of surgery

Simple decompression

57 (88)

6 [4]

0.851*

Transposition

8 (12)

6 [2]

Patient reported outcome 6w postoperatively

Improved (completely recovered or improved)

58 (89)

6 [4]

0,590*

Not improved (unchanged or worse)

7 (11)

6 [9]

  1. * Mann–Whitney U, ** Kruskal–Wallis. Values in parentheses represent valid percentages. Percentages have been rounded and may not sum to 100%. a) n = 64 b) n = 63 c) n = 61 d) Since there were only 2 students, the IQR could not be calculated e). Since there were only 3 unemployed patients, the IQR could not be calculated. Statistically significant values (p < 0.05) are presented in bold.