Table 3. Final visual acuity, as assessed with the Ocular Trauma Score (OTS): comparison with OTS study results.
OTS category | Number (present study/OTS study) | Final visual acuity % in the present study/% in the OTS studya (number in the present study) | P valueb | ||||
---|---|---|---|---|---|---|---|
|
|
NLP |
LP/HM |
1/200–19/200 |
20/200–20/50 |
≥20/40 |
|
1 | 5/215 | 100/74 (n=5) | 0/15 | 0/7 | 0/3 | 0/1 | P=1.000 |
2 | 5/374 | 40/27 (n=2) | 20/26 (n=1) | 0/18 | 40/15 (n=2) | 0/15 | P=0.460 |
3 | 7/808 | 0/2 | 0/11 | 14/15 (n=1) | 2 (28.6%) | 57/41 (n=4) | P=0.910 |
4 | 1/378 | 0/1 | 0/2 | 0/3 | 0/22 | 100/73 (n=1) | P=1.000 |
5 | 4/376 | 0/0 | 0/1 | 0/1 | 0/5 | 100/94 (n=4) | P=1.000 |
Abbreviations: HM, hand motion; LP, light perception; NLP, no light perception.
The percentage in each column may not equal 100% because of rounding.
P values were calculated using the Fisher's exact test to compare the likelihood of final visual acuities between the present study and the OTS study.