ORANGE COUNTY EARNINGS

I-Flow Corp.: The Lake Forest-based medical products company said net income for the fourth quarter totaled $576,000, or 4 cents a share, contrasted with a net loss of $1.5 million, or 13 cents a share, for the fourth quarter of 1997. Revenue rose 97% to a record $7.1 million from $3.7 million. Net income for the year climbed to $1.1 million, or 8 cents a share, from $365,000, or 2 cents a share, for the prior year. Revenue was up 33% to a record $23.6 million from $17.7 million.