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Characteristics of Pre-ETROP and Post-ETROP Groups |
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| Pre-ETROP |
Post-ETROP |
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|
|
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| N = 29 |
N = 53 |
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| Characteristic |
Mean (SD) |
Mean (SD) |
p-value |
| Age at birth, in weeks gestation |
26.3 (1.7) |
25.2 (1.38) |
0.0012 |
| Interval between birth and examination 1, in days |
36 (9.54) |
49.5 (18.76) |
0.0004 |
| Weight at birth, in grams |
888 (257.79) |
707 (194.79) |
0.0007 |
| Interval between birth and laser surgery, in days |
73 (12.6) |
80 (18.34) |
0.09 |
| Interval between examination 1 and laser surgery, in days |
37 (13.72) |
30 (18.91) |
0.05 |
| Number of laser spots, right eye |
1595 (703.2) |
1698 (499.4) |
0.46 |
| Number of laser spots, left eye |
1686 (683.63) |
1573 (491.32) |
0.41 |
| Multiparity |
5 |
8 |
0.99 |
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Table 1 demonstrates the characteristics of Pre-ETROP and Post-ETROP Groups treated with laser. Statistically significant differences include age at birth, weight at birth, and the interval between birth and first examination. Fewer days were needed between the first examination and laser surgery (P = 0.05). No significant difference was found in the number of laser spots placed, nor in the prevalence of multiparity. | |||
Alme et al. BMC Ophthalmology 2008 8:23 doi:10.1186/1471-2415-8-23 |
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