Table 3 Comparison of categorical distribution of visual acuity at 3-month follow-up with various risk factors

VA at presentation

NPL

8(57.1)

3(21.4)

1(7.1)

2(14.3)

0(0)

14(100)

< 0.001^a

PL/ HM

2(5.7)

11(31.4)

11(31.4)

6(17.1)

5(14.3)

35(100)

1/60–5/60

0(0)

0(0)

0(0)

5(55.6)

4(44.4)

9(100)

6/60–6/15

0(0)

0(0)

0(0)

2(40)

3(60)

5(100)

>= 6/12

0(0)

0(0)

0(0)

1(10)

9(90)

10(100)

Total

10(13.7)

14(19.2)

12(16.4)

16(21.9)

21(28.8)

73(100)

Zones of injury

Zone I

5(13.5)

3(8.1)

3(8.1)

10(27)

16(43.2)

37(100)

0.001^b

Zone II

0(0)

7(35)

5(25)

5(25)

3(15)

20(100)

Zone III

5(31.3)

4(25)

4(25)

1(6.3)

2(12.5)

16(100)

Total

10(13.7)

14(19.2)

12(16.4)

16(21.9)

21(28.8)

73(100)

Ruptured globes

Present

4(44.4)

4(44.4)

1(11.1)

0(0)

0(0)

9(100)

0.001^b

Absent

6(9.4)

10(15.6)

11(17.2)

16(25)

21(32.8)

64(100)

Total

10(13.7)

14(19.2)

12(16.4)

16(21.9)

21(28.8)

73(100)

Endophthalmitis

Present

6(66.7)

1(11.1)

1(11.1)

1(11.1)

0(0)

9(100)

0.001^b

Absent

4(6.3)

13(20.3)

11(17.2)

15(23.4)

21(32.8)

64(100)

Total

10(13.7)

14(19.2)

12(16.4)

16(21.9)

21(28.8)

73(100)

Intra vitreal injections

Yes

8 (16)

12 (24)

9 (18)

13 (26)

8 (16)

50 (100)

0.013^b

No

2 (8.7)

2 (8.7)

3 (13)

3 (13)

13 (56.5)

23 (100)

Total

10 (13.7)

14 (19.2)

12 (16.4)

16 (21.9)

21 (28.8)

73 (100)

Time to presentation

<6 hours

0 (0)

5 (16.7)

6 (20)

4 (13.3)

15 (50)

30 (100)

0.001^b

6–24 hours

3 (13)

4 (17.4)

4 (17.4)

9 (39.1)

3 (13)

23 (100)

> 2 days

7 (36.84)

25 (26.31)

2 (10.52)

2 (10.52)

3 (15.78)

19 (100)

Total

10 (13.7)

14 (19.2)

12 (16.4)

16 (21.9)

21 (28.8)

73 (100)