Table 2 Propensity score matching using preoperative data.

From: Comparison of trabeculotomy ab externo outcomes between resident physicians and supervising ophthalmologists using propensity score matching

 

Resident group

Supervising group

P-value

Number of eyes

n = 79

n = 79

 

Age (years)

71.9 ± 9.74

71.8 ± 8.79

0.959

Sex

0.337

 Men

39

32

 

 Women

40

47

 

Baseline IOP (mmHg)

18.5(14.8–23)

18.5 (16.3–26)

0.21

Baseline eye drop score

4 (2.5–4)

4 (3–4)

0.88

Visual field classification

0.247

 Mild

17

18

 

 Moderate

24

24

 

 Severe

19

27

 

 End-stage

19

10

 

BCVA (logMAR)

0.155 (0.046–0.261)

0.097 (0–0.223)

0.181

Preoperative intraocular lens condition

0.812

 Phakia

68

70

 

 Pseudophakia

11

9

 

With or without concomitant cataract surgery

0.608

 Single

23

27

 

 Triple

56

52

 

Glaucoma type

0.083

 POAG

50

59

 

 PE

18

8

 

 Secondary

5

9

 

 OHT

6

3

 
  1. BCVA best corrected visual acuity, logMAR logarithm of the minimum angle of resolution, POAG primary open angle glaucoma, PE pseudoexfoliation glaucoma, SG secondary glaucoma, OHT ocular hypertension, IOP intraocular pressure.