TABLE 1.

Characteristics of the patients.

Characteristic	Grade III IVH (n = 20)
Male sex - no./total no.	11/20
Gestational age at delivery    Median - week    Distribution       23 week 0 days to 25 week 6 days       26 week 0 days to 27 week 6 days       28 week 0 days to 29 week 6 days       30 week 0 days to 31 week 6 days	28 4 4 6 6
Birth weight    Mean ± s.d. - g    Distribution       ≥500 to <750 g       ≥750 to <1000 g       ≥1000 to <1250 g       ≥1250 to <1500 g	1094 ± 282 3 6 4 7
Apgar 5 min    Median    Distribution       0–3       4–6       7–8       9–10	5 4 13 3 0
Apgar 10 min    Median    Distribution       0–3       4–6       7–8       9–10	8 0 7 9 4
Steroid prophylaxis- yes/partial/no	2/8/10
Multiply pregnancy- no./total no.	5/20
Cesarean section delivery- no./total no.	14/20
Hydrocephalus- no./total no.	18/20
Death- no./total no.	2/20
Timing of the CSF samples [days after the onset of IVH, (n)]	14(1), 15(1), 16(1), 17(2), 19(1), 20(2), 21(4), 24(1), 25(1), 28(1), 32(1), 45(1), 60(3)

CSF samples were collected from premature infants (n = 20) diagnosed with grade III IVH.