Table 2 Length of stay and cost of readmissions of premature infants by birth weight, California, 1992–2000

From: Cost, causes and rates of rehospitalization of preterm infants

Birth weight (g) N No. of infants readmitted % of infants readmitted No. of readmits No. of hospital days Average hospital days Total cost in millions of $
500 346 97 28 158 1162 12 2.15
501–750 3770 1227 33 2148 15 710 13 26.9
751–1000 7393 1992 27 3175 18 641 9.4 30.6
1001–1250 9158 2135 23 3209 19 044 8.9 31.4
1251–1500 11 237 2151 19 3122 16 986 7.9 27.1
1501–1750 15 187 2512 17 3531 17 444 6.9 25.5
1751–2000 20 929 3149 15 4352 22 537 7.2 34.4
2001–2250 26 901 3834 14 5050 24 026 6.3 34.7
2251–2500 31 577 4498 14 5857 26 322 5.9 40.2
2501–2750 30 785 4253 14 5421 22 172 5.2 29.3
2751–3000 29 340 3807 13 4837 19 791 5.2 28.2
3001 77 260 8800 11 10 878 43 669 5.0 59.4
Total 263 883 38 455 15 51 738 247 504 6.4 370