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Table 3 Comparison of IOP, the need for topical and systemic medications, CACD and the degree of PAS between the two groups prior to and after surgical intervention

From: The effect of phacoemulsification plus goniosynechialysis in acute and chronic angle closure patients with extensive goniosynechiae

 

Acute

chronic

P valueb

 

P valuea

 

P valuea

 

IOP (mmHg, mean ± SD)

 Baseline

29.77 ± 11.55

 

26.00 ± 11.2

 

0.398a

 Postoperative 1 m

15 ± 1.63

0.003b

17 ± 4.31

0.022b

0.105a

 Postoperative 3 m

14.92 ± 1.66

0.003b

14.93 ± 2.7

0.001b

0.995a

Number of drops

 Baseline

  Median (min~max)

3 (2~4)

 

3 (1~4)

 

0.202c

  1

0 (0%)

 

1 (7.1%)

  

  2

2 (15.4%)

 

5 (35.7%)

  

  3

8 (61.5%)

 

6 (42.9%)

  

  4

3 (23.1%)

 

2 (14.3%)

  

 post-op 3 m

  Median (min~max)

0 (0~0)

0.001b

0 (0~2)

0.002b

 

  0

13 (100%)

 

10 (71.4%)

 

0.220c

  1

0 (0%)

 

1 (7.1%)

  

  2

0 (0%)

 

3 (21.4%)

  

Number of systemic drugs

 Baseline

  Median (min~max)

1 (0~2)

 

0 (0~1)

 

0.001c

  0

3 (23.1%)

 

13 (92.9%)

  

  1

9 (69.2%)

 

1 (7.1%)

  

  2

1 (7.7%)

 

0 (0%)

  

 Postoperative 3 m

  0

13 (100%)

0.002b

14 (100%)

0.317b

CACD (mm)

 Baseline

1.68 ± 0.27

 

1.89 ± 0.23

 

0.042a

  Postoperative 3 m

3.29 ± 0.22

0.001b

3.40 ± 0.25

0.001b

0.226a

PAS (°, mean ± SD)

 pre-op

314.23 ± 49.07

 

285.00 ± 53.28

 

0.152a

 post-op 3 m

116.54 ± 73.78

<0.001b

156.43 ± 56.35

<0.001b

0.125a

  1. aPostoperative versus baseline; b acute group versus chronic group. SD Standard deviation, IOP Intraocular pressure, CACD Central anterior chamber depth, PAS Peripheral anterior synechiae
  2. aStudent’s t-test (independent samples test)
  3. bWilcoxon Signed Ranks Test
  4. cMann–Whitney U-test