Skip to main content

Table 1 Baseline patient characteristics and surgical features

From: Efficacy and safety of trans-sub-Tenon's retrobulbar anesthesia for pars plana vitrectomy: a randomized trial

 

Sub-Tenon (ST) Group

Retrobulbar (RB) Group

P value

Age (years, mean ± SD)

58 ± 10

57 ± 11

0.352*

Male/Female (n)

29/31

34/26

0.361**

Comorbidities

Diabetes mellitus (n)

24

26

0.711**

Hypertension (n)

35

29

0.272**

Cardiovascular or cerebrovascular disease (n)

11

8

0.453**

Chronic kidney disease (n)

6

4

0.509**

Surgical indication

  

0.808***

Vitreous hemorrhage (n)

30

33

 

Retinal detachment (n)

22

22

 

Macular disease (n)

7

4

 

Others (n)

1

1

 

Type of surgery

Phaco + PPV/PPV (n)

37/23

32/28

0.356**

Endolaser photocoagulation (n)

42

42

 

Could not see the laser (n)

15

8

0.087**

Cryotherapy (n)

15

22

0.166**

Duration of surgery (minutes, mean ± SD)

60.6 ± 23.3

57.8 ± 21.5

0.426*

  1. * Wilcoxon; ** Pearson; *** Likelihood Ratio
  2. n number of patients, SD Standard deviation