Research Article
Intraocular Foreign Bodies: Clinical Characteristics and Factors Affecting Visual Outcome
Table 4
Univariate analysis of factors affecting endophthalmitis development.
| | Factor | Endophthalmitis | X2 | P | | No | Yes |
| | Lens capsule rupture | | | | No (n = 154) | 143 (92.86) | 11 (7.14) | 6.885 | 0.009 | | Yes (n = 88) | 72 (81.82) | 16 (18.18) |
| | Nature of IOFBs | | | | Nonmagnetic (n = 30) | 29 (96.67) | 1 (3.33) | 1.310 | 0.252 | | Magnetic (n = 212) | 186 (87.74) | 26 (12.26) |
| | Plant-based IOFBs | | | | No (n = 238) | 211 (88.65) | 27 (11.35) | | 1.000# | | Yes (n = 4) | 4 (100.00) | 0 (0.00) |
| | IOFB diameter | | | | <3 mm (n = 89) | 81 (91.01) | 8 (8.99) | 0.668 | 0.414 | | ≥3 mm (n = 153) | 134 (87.58) | 19 (12.42) |
| | IOFB location | | | | Anterior segment (n = 62) | 59 (95.16) | 3 (4.84) | 3.357 | 0.067 | | Posterior segment (n = 180) | 156 (86.67) | 24 (13.33) |
| | Wound length | | | | <3 mm (n = 130) | 118 (90.77) | 12 (9.23) | — | 0.488# | | 3–5 mm (n = 99) | 86 (86.87) | 13 (13.13) | | >5 mm (n = 13) | 11 (84.62) | 2 (15.38) |
| | Entrance wound length > largest IOFB diameter | | | | No (n = 188) | 168 (89.36) | 20 (10.64) | 0.229 | 0.632 | | Yes (n = 54) | 47 (87.04) | 7 (12.96) |
| | Wound location | | | | Zone I (n = 186) | 169 (90.86) | 17 (9.14) | — | 0.082# | | Zone II (n = 35) | 30 (85.71) | 5 (14.29) | | Zone III (n = 21) | 16 (76.19) | 5 (23.81) |
| | Intraoperative administration of intravitreal antibiotic injection | | | | No (n = 101) | 91 (90.10) | 11 (10.89) | 11.416 | 0.001 | | Yes (n = 126) | 124 (98.41) | 1 (0.79) |
| | Time of stage I repair surgery | | | | <24 h (n = 145) | 139 (95.86) | 6 (4.14) | 17.981 | <0.001 | | ≥24 h (n = 97) | 76 (78.35) | 21 (21.65) |
| | Time of IOFB removal | | | | <24 h (n = 120) | 116 (96.67) | 4 (3.33) | 14.699 | <0.001 | | ≥24 h (n = 122) | 99 (81.15) | 23 (18.85) |
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#Calculated using Fisher’s exact test. Calculated using the χ2 test with Yates’ continuity correction. |
