TABLE 3

Multivariate Analysis

VariablesLOSCost30-d Readmission RateNICU Level 2–4 or PICU
Relative Risk (95% CI)Relative Cost (95% CI)OR (95% CI)OR (95% CI)
NICU level 2–4 or PICU1.02 (0.91 to 1.15)1.51 (1.47 to 1.56)a0.74 (0.50 to 1.09)
Girls0.99 (0.98 to 0.99)a0.92 (0.92 to 0.93)a0.85 (0.73 to 0.99)b0.81 (0.70 to 0.94)a
Race
 White (reference)
 African American1.12 (1.08 to 1.16)a1.07 (1.06 to 1.08)a0.85 (0.73 to 0.99)b0.97 (0.70 to 1.22)
 Hispanic1.06 (1.03 to 1.08)a1.01 (0.99 to 1.02)0.99 (0.88 to 1.13)1.11 (0.78 to 1.49)
 Asian American1.03 (0.99 to 1.07)1.04 (1.03 to 1.05)a1.11 (0.95 to 1.31)1.24 (0.78 to 1.92)
 Other1.02 (0.97 to 1.07)1.05 (1.04 to 1.07)a1.04 (0.90 to 1.20)0.95 (0.72 to 1.25)
Insurance
 Private (reference)
 Medicaid0.93 (0.92 to 0.95)a0.97 (0.96 to 0.97)a1.23 (1.12 to 1.35)a1.00 (0.84 to 1.21)
 Self-pay0.90 (0.87 to 0.93)a0.97 (0.96 to 0.99)a1.14 (0.95 to 1.38)1.02 (0.69 to 1.51)
 Otherc0.97 (0.90 to 1.05)0.99 (0.98 to 1.01)1.34 (1.08 to 1.67)a0.98 (0.71 to 1.36)
 Hemolysis1.24 (1.19 to 1.29)a1.38 (1.37 to 1.40)a1.07 (0.91 to 1.27)3.43 (2.74 to 4.28)a
No. cases of IP performed per hospital per year
 Q1 (0–25th percentile)0.96 (0.91 to 1.01)1.11 (1.08 to 1.14)a1.18 (0.92 to 1.52)3.14 (1.98 to 4.97)a
 Q2 (25–50th percentile)0.98 (0.93 to 1.04)1.05 (1.04 to 1.07)a1.18 (0.99 to 1.42)2.46 (1.69 to 3.58)a
 Q3 (50–75th percentile)0.99 (0.96 to 1.02)1.04 (1.02 to 1.05)a1.02 (0.88 to 1.18)1.54 (1.15 to 2.05)a
 Q4 (75–100th percentile; reference)
Year
 2005 (reference)
 20060.98 (0.97 to 1.00)0.97 (0.96 to 0.98)a0.86 (0.75 to 0.99)b1.30 (1.02 to 1.66)b
 20070.97 (0.96 to 0.99)a0.99 (0.98 to 1.00)0.84 (0.73 to 0.97)b0.89 (0.67 to 1.18)
 20080.97 (0.95 to 0.99)b0.98 (0.97 to 0.99)a0.89 (0.78 to 1.03)1.38 (1.06 to 1.79)b
 20090.97 (0.95 to 0.99)a1.00 (0.99 to 1.01)0.96 (0.84 to 1.09)1.04 (0.79 to 1.38)
 20100.95 (0.93 to 0.97)a1.05 (1.03 to 1.06)a0.84 (0.73 to 0.97)b0.94 (0.69 to 1.26)
 20110.94 (0.91 to 0.96)a1.12 (1.11 to 1.14)a0.79 (0.68 to 0.92)a0.81 (0.58 to 1.12)
  • Includes all variables in the table. Q1, first quartile; Q2, second quartile; Q3, third quartile; Q4, fourth quartile; —, not applicable.

  • a P < .01.

  • b P < .05.

  • c Includes insurance through workers’ compensation, the US Department of Veterans Affairs, and other government insurance and insurance provided to New York federal, state, and local corrections officers.