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Table 5 Comparisons of percentage of VA conditions among different eye injury* [n(%)]

From: Explosive eye injuries: characteristics, traumatic mechanisms, and prognostic factors for poor visual outcomes

Types of eye injury

Presenting VA ≤ 4/200

 

Final VA ≤ 4/200

 

Enucleation of eyeball

 

Final VA improvement

 

Final VA reduction

 

General classification

 OGI

613 (85.61)

χ2 = 138.31, P < 0.001

471 (65.78)

χ2 = 231.25, P < 0.001

127 (17.74)

χ2 = 108.29, P < 0.001

345 (48.19)

χ2 = 91.10, P < 0.001

46 (6.42)

χ2 = 2.53, P = 0.269

 CGI

402 (62.23)

 

179 (27.71)

 

11 (1.70)

 

475 (73.53)

 

36 (5.57)

 

 NMEIa

36 (41.38)

 

14 (16.09)

 

1 (1.15)

 

53 (60.92)

 

2 (2.30)

 

Blunt and sharp force injuries in OGIb

 Rupture

186 (90.29)

χ2 = 5.43, P = 0.025

153 (74.27)

χ2 = 9.41, P = 0.002

66 (32.04)

χ2 = 39.41, P < 0.001

76 (36.89)

χ2 = 14.96, P < 0.001

10 (4.86)

χ2 = 10.38, P = 0.001

 Laceration

420 (83.50)

 

313 (62.23)

 

61 (12.13)

 

266 (52.88)

 

36 (7.07)

 

Sharp force injuries in OGI

 Penetrating

61 (67.03)

χ2 = 21.36, P < 0.001

32 (35.16)

χ2 = 34.71, P < 0.001

6 (6.59)

χ2 = 4.92, P = 0.086

61 (67.03)

χ2 = 10.42, P = 0.005

4 (4.40)

χ2 = 1.94, P = 0.340

 IOFB

342 (86.58)

 

270 (68.35)

 

51 (12.91)

 

199 (50.38)

 

30 (7.59)

 

 Perforating

17 (100.00)

 

11 (64.71)

 

4 (23.53)

 

6 (35.29)

 

2 (11.76)

 

Blunt force injuries in OGI and CGI

 Rupture

186 (90.29)

χ2 = 38.13, P < 0.001

153 (74.27)

χ2 = 112.41, P < 0.001

66 (32.04)

χ2 = 148.11, P < 0.001

76 (36.89)

χ2 = 58.68, P < 0.001

10 (4.86)

χ2 = 18.43, P < 0.001

 Contusionc

376 (68.24)

 

173 (31.40)

 

11 (2.00)

 

407 (73.87)

 

28 (5.08)

 
  1. *Excluding the eyes whose visual acuity was unknown; comparison by Chi-square test. a87 eyes of non-mechanical injury excluding 57 eyes of thermal burn complicated with MEI. bExcluding 7 eyes of open globe mixture. c551 eyes including 389 eyes of simple contusion and 162 eyes of close globe mixture complicated with contusion. VA visual acuity, OGI open globe injury, CGI close globe injury, NMEI non-mechanical eye injury, IOFB intraocular foreign body