Write a 2–4-page executive summary to accompany the PowerPoint presentation that provides additional context to the results of data analysis.
Assumptions
| Variable Name | Description | Definition |
| HAC_Rate | Hospital-acquired condition rate | Number of hospital-acquired conditions (HAC) per 1,000 discharges; measures extent of hospital errors |
| Nursing_HPPD | Nursing hours per patient day | Number of nursing staff hours per patient day (HPPD); measures nurse staffing level |
| Skill_Mix | Nursing skill mix | Percentage of nursing staff hours provided by Registered Nurses (RN); measures skill mix of nursing staff |
| ALOS | Average length of stay | Number of inpatient days per hospital discharge; measures hospital efficiency |
| Financial Assumptions: | ||
| Hospital discharges | 10,000 | |
| Nursing cost per year | $72,000 | Average of RN and LPN nursing cost; cost includes salary, benefits, and overhead |
| RN cost per year | $85,000 | |
| LPN cost per year | $52,000 | |
| Hospital cost per inpatient day | $2,600 | |
| Hospital penalty per HAC | $5,700 |
Data
| HAC_Rate | Nursing_HPPD | Skill_Mix | ALOS |
| 108 | 5.017 | 60.22 | 4.017 |
| 106 | 5.057 | 60.68 | 4.057 |
| 112 | 4.184 | 59.99 | 4.184 |
| 116 | 4.202 | 58.82 | 5.202 |
| 107 | 6.249 | 62.53 | 4.249 |
| 119 | 3.315 | 58.92 | 4.315 |
| 109 | 5.401 | 60.69 | 4.401 |
| 116 | 4.418 | 59.8 | 5.418 |
| 115 | 3.532 | 58.94 | 4.532 |
| 119 | 3.626 | 59.24 | 5.626 |
| 114 | 4.629 | 61.15 | 4.629 |
| 113 | 4.662 | 60.67 | 4.662 |
| 119 | 3.681 | 59.74 | 5.681 |
| 114 | 4.703 | 59.77 | 4.703 |
| 106 | 6.719 | 60.26 | 4.719 |
| 115 | 4.812 | 60.6 | 5.812 |
| 107 | 5.824 | 62.25 | 4.824 |
| 111 | 4.857 | 60.45 | 4.857 |
| 117 | 4.062 | 59.5 | 7.062 |
| 114 | 4.153 | 58.74 | 5.153 |
| 115 | 4.204 | 60.08 | 5.204 |
| 111 | 5.311 | 60.88 | 5.311 |
| 116 | 4.361 | 60.43 | 5.361 |
| 120 | 3.733 | 60.3 | 5.733 |
| 120 | 2.77 | 61.3 | 5.77 |
| 120 | 3.802 | 58.34 | 5.802 |
| 120 | 2.812 | 61.12 | 5.812 |
| 113 | 3.933 | 58.86 | 5.933 |
| 107 | 4.955 | 60.39 | 5.955 |
| 116 | 4.006 | 60.47 | 6.006 |
| 118 | 4.006 | 60.27 | 6.006 |
| 118 | 4.024 | 61.48 | 6.024 |
| 122 | 2.1 | 59.16 | 6.1 |
| 118 | 4.104 | 59.63 | 6.104 |
| 119 | 3.176 | 59.05 | 6.176 |
| 125 | 2.18 | 58.95 | 6.18 |
| 115 | 4.216 | 60.51 | 6.216 |
| 119 | 2.275 | 58.16 | 6.275 |
| 110 | 5.282 | 60.12 | 6.282 |
| 120 | 4.304 | 59.79 | 6.304 |
| 119 | 4.367 | 59.26 | 6.367 |
| 121 | 2.456 | 59.43 | 6.456 |
| 123 | 4.504 | 60.54 | 6.504 |
| 119 | 3.509 | 59.81 | 6.509 |
| 114 | 4.545 | 59.61 | 6.545 |
| 123 | 2.565 | 59.31 | 6.565 |
| 122 | 2.62 | 59.88 | 6.62 |
| 123 | 4.64 | 61.38 | 6.64 |
| 123 | 2.682 | 58.62 | 6.682 |
| 122 | 3.741 | 58.67 | 6.741 |
| 121 | 3.878 | 60.01 | 6.878 |
| 121 | 3.881 | 58.31 | 6.881 |
| 119 | 2.891 | 58.27 | 6.891 |
| 121 | 3.909 | 59.48 | 6.909 |
| 122 | 2.971 | 60.31 | 6.971 |
| 120 | 3.99 | 59.76 | 6.99 |
| 107 | 5.013 | 60.11 | 7.013 |
| 117 | 3.154 | 60.01 | 7.154 |
| 120 | 4.22 | 60.7 | 7.22 |
| 121 | 4.223 | 60.57 | 7.223 |
| 120 | 4.249 | 60.26 | 7.249 |
| 120 | 3.287 | 58.41 | 7.287 |
| 121 | 2.308 | 59.26 | 7.308 |
| 122 | 2.321 | 58.59 | 7.321 |
| 118 | 3.341 | 58.68 | 7.341 |
| 118 | 4.343 | 60.1 | 7.343 |
| 120 | 3.344 | 60.26 | 7.344 |
| 118 | 4.383 | 61.81 | 7.383 |
| 118 | 4.415 | 59.3 | 7.415 |
| 122 | 2.466 | 59.88 | 7.466 |
| 120 | 3.485 | 60.29 | 7.485 |
| 115 | 3.576 | 58.95 | 7.576 |
| 118 | 4.616 | 59.95 | 7.616 |
| 112 | 4.635 | 59.69 | 7.635 |
| 118 | 3.644 | 60.56 | 7.644 |
| 110 | 5.654 | 61.09 | 7.654 |
| 119 | 3.724 | 59.06 | 7.724 |
| 119 | 3.774 | 60.15 | 7.774 |
| 118 | 3.187 | 60.33 | 8.187 |
| 125 | 2.212 | 58.99 | 8.212 |
| 126 | 2.212 | 60.81 | 8.212 |
| 120 | 3.454 | 58.07 | 8.454 |
| 115 | 4.533 | 59.88 | 8.533 |
| 112 | 3.614 | 58.62 | 8.614 |
| 113 | 4.714 | 58.67 | 8.714 |
| 109 | 5.731 | 62.29 | 6.731 |
| 119 | 3.817 | 60.48 | 8.817 |
| 116 | 4.836 | 60.65 | 8.836 |
| 124 | 3.924 | 61.72 | 8.924 |
| 117 | 4.043 | 60.51 | 8.043 |
| 119 | 4.489 | 59.18 | 9.489 |
| 125 | 2.541 | 58.87 | 9.541 |
| 126 | 1.628 | 60.95 | 9.628 |
| 111 | 4.768 | 60.84 | 8.768 |
| 110 | 4.918 | 59.9 | 8.918 |
Correlations
| HAC_Rate | Nursing_HPPD | Skill_Mix | ALOS | |
| HAC_Rate | 1 | |||
| Nursing_HPPD | -0.799 | 1 | ||
| Skill_Mix | -0.305 | 0.462 | 1 | |
| ALOS | 0.417 | -0.312 | -0.133 | 1 |
Descriptive Statistics
| HAC_Rate | Nursing_HPPD | Skill_Mix | ALOS | |
| Mean | 117.16 | 3.94 | 59.93 | 6.67 |
| Standard Error | 0.50 | 0.10 | 0.10 | 0.14 |
| Median | 118.00 | 4.01 | 59.99 | 6.68 |
| Mode | 119.00 | 4.01 | 60.26 | 5.81 |
| Standard Deviation | 4.89 | 0.98 | 0.97 | 1.35 |
| Sample Variance | 23.94 | 0.97 | 0.94 | 1.83 |
| Kurtosis | -0.31 | 0.06 | -0.14 | -0.49 |
| Skewness | -0.57 | -0.01 | 0.27 | 0.03 |
| Range | 20 | 5.091 | 4.46 | 5.611 |
| Minimum | 106 | 1.628 | 58.07 | 4.017 |
| Maximum | 126 | 6.719 | 62.53 | 9.628 |
| Sum | 11130 | 374.602 | 5693.34 | 633.602 |
| Count | 95 | 95 | 95 | 95 |
| Confidence Level(95.0%) | 1.00 | 0.20 | 0.20 | 0.28 |
Histogram HAC_Rates
| Bin | Frequency |
| 106.0 | 2 |
| 108.2 | 5 |
| 110.4 | 5 |
| 112.7 | 6 |
| 114.9 | 7 |
| 117.1 | 14 |
| 119.3 | 22 |
| 121.6 | 18 |
| 123.8 | 16 |
Histogram of HAC_Rate
106 108.22222222222223 110.44444444444444 112.66666666666667 114.88888888888889 117.11111111111111 119.33333333333333 121.55555555555556 123.77777777777777 2 5 5 6 7 14 22 18 16Bin
Frequency
Regression 1
| SUMMARY OUTPUT | ||||||||
| Regression Statistics | ||||||||
| Multiple R | 0.802678891 | |||||||
| R Square | 0.644293402 | |||||||
| Adjusted R Square | 0.6365606499 | |||||||
| Standard Error | 2.949879331 | |||||||
| Observations | 95 | |||||||
| ANOVA | ||||||||
| df | SS | MS | F | Significance F | ||||
| Regression | 2 | 1450.0670767355 | 725.0335383678 | 83.3200639618 | 2.23989862534873E-21 | |||
| Residual | 92 | 800.5645022118 | 8.7017880675 | |||||
| Total | 94 | 2250.6315789474 | ||||||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% | |
| Intercept | 108.913 | 20.5637205276 | 5.2963715592 | 0.0000008014 | 68.0717805885 | 149.7544285195 | 68.0717805885 | 149.7544285195 |
| Nursing_HPPD | -4.164 | 0.3486841011 | -11.9419573259 | 2.10040323342678E-20 | -4.8564873771 | -3.471453933 | -4.8564873771 | -3.471453933 |
| Skill_Mix | 0.412 | 0.3530811868 | 1.1655923275 | 0.246792365 | -0.2897009916 | 1.1127984362 | -0.2897009916 | 1.1127984362 |
| Dependent variable: HAC_Rate |
Regression 2
| SUMMARY OUTPUT | ||||||||
| Regression Statistics | ||||||||
| Multiple R | 0.4171629872 | |||||||
| R Square | 0.1740249579 | |||||||
| Adjusted R Square | 0.1651435058 | |||||||
| Standard Error | 1.2352597906 | |||||||
| Observations | 95 | |||||||
| ANOVA | ||||||||
| df | SS | MS | F | Significance F | ||||
| Regression | 1 | 29.8981399683 | 29.8981399683 | 19.5942011072 | 0.0000260411 | |||
| Residual | 93 | 141.905607779 | 1.5258667503 | |||||
| Total | 94 | 171.8037477474 | ||||||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% | |
| Intercept | -6.8338526449 | 3.0531780402 | -2.2382751857 | 0.0275893689 | -12.8968591367 | -0.770846153 | -12.8968591367 | -0.770846153 |
| HAC_Rate | 0.1152576821 | 0.0260379087 | 4.4265337576 | 0.0000260411 | 0.0635515556 | 0.1669638085 | 0.0635515556 | 0.1669638085 |
| Dependent variable: ALOS |
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Variable Name
Description
Definition
HAC_Rate
Hospital-acquired
condition rate
Number of hospital-acquired conditions (HAC) per
1,000 discharges; measures extent of hospital
errors
Nursing_HPPD
Nursing hours per
patient day
Number of nursing staff hours per patient day
(HPPD); measures nurse staffing level
Skill_Mix
Nursing skill mix
Percentage of nursing staff hours provided by
Registered Nurses (RN); measures skill mix of
nursing staff