Table 1 Baseline characteristics of the study population.
| Variable | Laser group (25 patients/43 eyes) | Control group (7 patients/14 eyes) | Laser v control (p value) |
|---|---|---|---|
| GA (weeks) (mean (SD)) | 26.5 (1.7) | 27.4 (1.5) | 0.21 |
| BW (g) (mean (SD)) | 888.8 (184.3) | 941.9 (256.6) | 0.54 |
| Follow up (years) (mean (SD)) | 11.0 (1.0) | 11.5 (1.3) | 0.29 |
| Sex, n (%) | |||
| Male | 16 (64) | 5 (71) | 0.55 |
| Female | 9 (36) | 2 (29) | 0.54 |
| Neurological problems, n (%) | |||
| IVH | 9 (36) | 1 (14) | 0.27 |
| ONH | 5 (20) | 0 (0) | 0.26 |
| Sixth nerve palsy | 1 (4) | 0 (0) | 0.78 |
GA, gestational age; BW, birth weight; SD, standard deviation; IVH, intraventricular haemorrhage; ONH, optic nerve hypoplasia.