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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Health Serv Res. 2010 Oct 28;46(1 Pt 1):61–81. doi: 10.1111/j.1475-6773.2010.01192.x

Table 3.

Pay-for-Performance (P4P) Participation, Volume and Hospital Process Compliance among Early Reporters, Fiscal Year 2003–2005

Heart Attack
Heart Failure
Pneumonia
Heart Attack
Heart Failure
Pneumonia
Easy Hard Easy Hard Easy Hard Easy Hard Easy Hard Easy Hard
P4P 1.24** (0.43) 0.76 (1.36) 5.20* (2.52) 0.99 (0.74) 0.19 (0.16) 2.20* (0.99) 1.00** (0.34) 0.24 (1.49) 2.57 (3.08) –0.4 (0.92) 0.23 (0.20) 1.23 (0.79)
Year 2 1.30** (0.17) 3.74** (0.62) 8.04** (0.84) 4.23** (0.27) 0.62** (0.09) 8.73** (0.30) 1.32** (0.17) 4.02** (0.62) 8.33** (0.80) 4.33** (0.27) 0.61** (0.09) 8.61** (0.29)
Year 3 2.67** (0.19) 6.32** (0.65) 18.83** (0.96) 6.48** (0.30) 0.93** (0.10) 15.66** (0.35) 2.68** (0.20) 6.55** (0.66) 19.04** (0.93) 6.57** (0.30) 0.92** (0.09) 15.56** (0.35)
P4P × Year 2 –0.04 (0.37) 0.89 (1.56) 3.64 (2.09) 0.36 (0.65) 0.06 (0.17) 2.15** (0.68) 0.05 (0.37) 1.02 (1.52) 2.27 (1.94) 0.16 (0.64) 0.04 (0.16) 2.01** (0.69)
P4P × Year 3 0.23 (0.42) 2.39 (1.57) 2.47 (2.41) 0.6 (0.70) –0.08 (0.18) 2.19** (0.83) 0.32 (0.42) 2.54 (1.55) 1.34 (2.32) 0.42 (0.68) –0.09 (0.17) 2.05* (0.83)
Teaching hospital 1.31** (0.25) 0.89 (0.65) –0.11 (1.33) 1.97** (0.38) 0.20* (0.08) –1.37* (0.61) 0.44** (0.15) –0.53 (0.56) –2.53* (1.01) 1.12** (0.28) 0.25** (0.08) –0.09 (0.35)
% Medicare admits 0.002 (0.01) –0.05* (0.02) 0.15** (0.02) 0.006 (0.007) –0.001 (0.002) 0.17** (0.01) 0.003 (0.004) 0.03 (0.02) 0.14** (0.02) 0.004 (0.01) –0.007* (0.002) 0.10** (0.01)
RN per admission 0.35* (0.15) 0.53 (0.39) 1.01 (0.82) 0.52* (0.21) 0.05 (0.04) 0.05 (0.37) 0.04 (0.09) 0.11 (0.33) 0.40 (0.59) 0.29 (0.16) 0.04 (0.04) –0.22 (0.20)
Low volume quarterly –0.97** (0.30) –1.09 (0.93) –0.46 (1.17) –0.31 (0.44) –0.07 (0.09) 0.8 (0.42) –1.21** (0.24) –0.78 (0.84) –0.01 (1.03) –0.17 (0.39) –0.1 (0.09) 0.47 (0.34)
High volume quarterly 0.94** (0.18) 1.14* (0.56) 0.35 (0.89) 0.22 (0.30) 0.06 (0.07) 0.000 (1.06) 0.70** (0.18) 0.21 (0.55) –0.06 (0.90) 0.11 (0.29) 0.07 (0.08) 0.38 (1.14)
P4P × low volume –1.56* (0.73) –0.89 (2.23) 3.94 (3.11) 0 (1.09) –0.35 (0.27) 1.12 (1.13) –0.78 (0.55) 1.29 (1.90) 2.38 (2.62) –0.29 (0.97) –0.44 (0.29) –0.22 (0.79)
P4P × high volume –0.76* (0.37) –1.51 (1.31) –3.76 (2.40) 0.01 (0.66) –0.02 (0.19) 2.14 (1.60) –0.66 (0.35) –1.02 (1.22) –1.75 (2.35) 0.29 (0.66) 0.07 (0.21) 1.9 (1.70)
Initial performance quintile and interaction No No No No No No Yes Yes Yes Yes Yes Yes
R 2 0.15 0.06 0.14 0.16 0.06 0.35 0.51 0.2 0.41 0.42 0.09 0.69

Note. Robust standard errors in parentheses. 987 hospitals engaged in some form of voluntary public reporting prior in 2003.

*

Significant at 5%.

**

Significant at 1%.

RN, registered nurses.