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Table 1 Patients’ characteristics by puncture approach at baseline

From: Phrenic nerve block caused by interscalene brachial plexus block: breathing effects of different sites of injection

Patient characteristic

Anterior puncture approach

Posterior puncture approach

 

Ntotal = 42

Ntotal = 42

Nfemales (%)

12 (29 %)

13 (31 %)

Median age [years]

51

50

(Q1, Q3)

(43, 56)

(41, 56)

Median Body Mass Index [kg/m2]

26

28

(Q1, Q3)

(25, 29)

(25, 31)

Nsurgical procedure (%)

 Arthroskopic labrum refixation

23 (55)

22 (52)

 Open labrum refixation

13 (31)

13 (31)

 Other

6 (14)

7 (17)

Ndiagnosis (%)

 Tendinosis calcacera

14 (33)

18 (43)

 Lesion of the rotator cuff

16 (38)

13 (31)

 Bankart lesion

10 (24)

6 (14)

 Other

2 (5)

5 (12)

Median spirometry variables at baseline (Q1, Q3)

 VC [l]

5.09 (3.98, 5.58)

4.46 (3.90, 5.37)

 FEV1 [l/s]

3.8 (3.34, 4.33)

3.57 (3.01, 4.11)

 Sniff PmaxPeak [kPa]

6.24 (4.84, 7.67)

6.25 (5.09, 8.63)