Table 5: Tukey's Comparisons for Hospital Cost Significant at alpha = 0.05
| Treatment Comparison | Difference Estimate | Simultaneous 95% Confidence Limits | |
| S2S3 - S1S2 | $ 1,305.60 | $ 571.80 | $ 2,039.40 |
| S2S3 - S1S2S3 | $ 1,349.40 | $ 653.60 | $ 2,045.20 |
| S2S3 - S1S3 | $ 1,410.60 | $ 668.30 | $ 2,152.90 |
| S3 - S1S2 | $ 820.30 | $ 24.90 | $ 1,615.70 |
| S3 - S1S2S3 | $ 864.10 | $ 103.60 | $ 1,624.50 |
| S3 - S1S3 | $ 925.30 | $ 122.00 | $ 1,728.50 |