Table 3 Mean birth weights and birth AOG of treated patients

Type 1 ROP excluding AP-ROP with treatment outcomes

    n = 12 patients, 23 eyes

1069.58

(715–1490)

28.18

(26–31)

  Treatment successes

    n = 7 patients, 13 eyes

1112.86

(900–1490)

28.49

(27–31)

  Treatment failures

    n = 5 patients, 10 eyes

1009

(715–1300)

27.74

(26–30 4/7)

    p, treatment successes vs. failures, Mann–Whitney U

.5152

.3290

Disease milder than Type 1

  n = 7 patients, 14 eyes

1344.29

(850–2000)

29.82

(27-34)

  p, comparison of median values, all three groups. Kruskal–Wallis

.3492

.2856