Table 9.
Characteristics of Treated ROP Patients
| Treated Patients (n) | 256 | ||
| Adjusted Age (w, mean, std dev) | 37.3 | 3.1 | |
| Re-Treated Patients (n) | 41 | 16.0% | |
| Adjusted Age (w, mean, std dev) | 43.0 | 6.4 | |
| Treated Patients with Plus Disease (n, %) | 238 | 93% | p < 0.001ǂ |
| Multiple Birth (n, %) | 51 | 19.9% | p = 0.101# |
| Birth Weight (g, mean, std dev) | 659.9 | 160.5 | p < 0.001* |
| Proportion (n, %) | |||
| < 750g | 192 | 77.4% | p < 0.001ǂ |
| 751–1000g | 50 | 20.2% | |
| 1001–1250g | 4 | 1.6% | |
| 1251–1500g | 1 | 0.4% | |
| >1500g | 1 | 0.4% | |
| Gestational Age (weeks, mean, std dev) | 24.8 | 1.6 | p < 0.001* |
| Proportion (n, %) | |||
| <27w | 230 | 92.0% | p < 0.001ǂ |
| 27–32w | 17 | 6.8% | |
| >32w | 3 | 1.2% | |
| Patients by Primary Treatment Type | |||
| Laser Photocoagulation | 189 | 73.8% | |
| Anti-VEGF (n, %) | 60 | 23.4% | |
| Cryotherapy | 6 | 2.3% | |
| Combination Cryotherapy/Laser | 1 | 0.4% | |
| ROP Severity | |||
| Zone (mean, std dev) | 1.75 | 0.43 | p < 0.001* |
| Stage (mean, std dev) | 2.68 | 0.69 | p < 0.001* |
*
T -test comparison of mean average of ROP infants who received treatment versus non-treated
#
Chi-square comparison of ROP infants who received treatment versus non-treated
ǂ
Fisher’s exact comparison of ROP infants who received treatment versus non-treated
Abbreviations: BW - birthweight, g - grams, GA - gestational age, n - number, std dev - standard deviation, VEGF - vascular endothelial growth factor, w - weeks