CRP and retinopathy of prematurity: CRP had statistically significant increased mean values in phase 1 in ROP 1 (11.5 ± 22.9 mg/L) and ROP 2 groups (10.6 ± 32.6 mg/L) compared to the no-ROP group (3.19 ± 7.32 mg/L, p = 0.0046 for ROP 1 vs. no-ROP, p = 0.0450 for ROP 2 vs. no-ROP).