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Table 3 Comparison between the studied groups in relation to demographic profile, history of symptoms, visual acuity and PVR status

From: Anatomical success rate of pars plana vitrectomy for treatment of complex rhegmatogenous retinal detachment

Variables

Groups

p

G1 (Phakic + gas) (n = 46)

G2 (Pseudophakic + gas) (n = 43)

G3(Phakic + SO) (n = 13)

G4 (Pseudophakic + SO) (n = 15)

Male gender (n,%)

25/46 (54.7%)

32/43 (74.4%)

8/13 (61.5%)

12/15 (80.0%)

0.14a

Age (mean ± SD)

58.5 ± 13.5

62.7 ± 10.2

51.6 ± 17.8

70.7 ± 9.5

0.001c*

Duration of symptoms (days)

(median, range)

7 (0–185)

7 (1–256)

7 (1–730)

6 (0–230)

0.9d

Preop BCVA (in logMAR)

(median, range)

1.5 (0.05–3)

0.52 (0–3)

2 (0–3)

3 (0.2–3)

0.03d*

Preoperative PVR (n, %)

11/46 (23.9%)

4/43 (9.3%)

5/13 (38.5%)

6/15 (40.0%)

0.03a*

Reattachment rate (n,%)

100% (46/46)

95.3% (41/43)

76.9% (10/13)

86.7% (13/15)

0.011b*

Preoperative IOP

(mean ± SD, range)

14.8 ± 4.7 (0–26)

14.2 ± 4.7 (5–24)

14.7 ± 3.2 (10–21)

10.9 ± 5.9 (0–21)

0.064c

Postoperative IOP

(mean ± SD, range)

16.1 ± 4.0 (10–27)

14.8 ± 3.2 (9–25)

16.5 ± 7.0 (4–27)

13.8 ± 3.3 (9–19)

0.152c

  1. *p < 0.05 was considered statistically significant, aPearson Chi-Square; bFisher’s exact test, cANOVA test; dKruskal–Wallis test