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Table 2 Descriptive characteristics of the hospitals (Overall and by four quartiles of the VBP score distribution)

From: Association between value-based purchasing score and hospital characteristics

VARIABLES OVERALL QUARTILE 1 QUARTILE 2 QUARTILE 3 QUARTILE 4 P VALUE
Mean SD Mean SD Mean SD Mean SD Mean SD
CASE MIX INDEX 1.4 0.3 1.4 0.2 1.4 0.2 1.4 0.3 1.4 0.3 0.05
DISPROPORTIONATE SHARE PERCENT 26.7 16.3 29.5 19.1 28.0 15.7 25.0 14.2 24.1 14.9 0.00
PERCENT OF MEDICARE DAYS TO TOTAL INPATIENT DAYS 48.8 13.9 48.8 14.1 47.9 13.5 49.4 12.6 49.2 15.1 0.23
PERCENT OF MEDICAID DAYS TO TOTAL INPATIENT DAYS 19.4 13.3 22.2 15.5 20.5 13.0 18.4 12.3 16.3 11.3 0.00
PERCENT OF NURSE STAFFING LEVEL 79.6 42.0 74.3 34.3 75.9 26.5 78.8 31.8 89.6 63.5 0.00
TEACHING PERCENT 6.8 20.4 8.0 22.0 9.2 23.6 6.3 19.1 3.8 15.3 0.00
TOTAL NUMBER OF MEASURES REPORTED 9.7 1.3 9.8 1.3 9.9 1.1 9.8 1.2 9.3 1.6 0.00
  n % n % n % n % n %  
PROFIT STATUS            0.000
 FOR PROFIT 412 16.5 49 7.6 61 10.1 88 14.1 214 34.7  
 NON-PROFIT 1707 68.5 466 72.3 441 72.8 456 73.2 344 55.8  
 GOVERNMENT-OWNED(NON-FEDERAL) 372 14.9 130 20.2 104 17.2 79 12.7 59 9.6  
CATEGORIES OF NUMBER OF HOSPITAL BEDS            0.000
 BEDS 6-49 244 9.8 44 6.8 46 7.6 52 8.4 102 16.5  
 BEDS 50-99 477 19.2 113 17.5 102 16.8 123 19.7 139 22.5  
 BEDS 100-199 783 31.4 229 35.5 171 28.2 191 30.7 192 31.1  
 BEDS 200-299 429 17.2 114 17.7 116 19.1 107 17.2 92 14.9  
 BEDS 300-399 253 10.2 57 8.8 77 12.7 65 10.4 54 8.8  
 BEDS 400-499 130 5.2 43 6.7 42 6.9 32 5.1 13 2.1  
 BEDS 500 OR MORE 175 7.0 45 7.0 52 8.6 53 8.5 25 4.1  
GEOGRAPHIC REGIONS            0.000
 NEW ENGLAND 119 4.8 25 3.9 27 4.5 40 6.4 27 4.4  
 MID ATLANTIC 301 12.1 94 14.6 91 15.0 77 12.4 39 6.3  
 SOUTH ATLANTIC 453 18.2 111 17.2 96 15.8 123 19.7 123 19.9  
 EAST NORTH CENTRAL 408 16.4 103 16.0 108 17.8 106 17.0 91 14.8  
 EAST SOUTH CENTRAL 212 8.5 39 6.1 35 5.8 54 8.7 84 13.6  
 WEST NORTH CENTRAL 213 8.6 55 8.5 61 10.1 54 8.7 43 7.0  
 WEST SOUTH CENTRAL 370 14.9 79 12.3 82 13.5 77 12.4 132 21.4  
 MOUNTAIN 148 5.9 48 7.4 38 6.3 31 5.0 31 5.0  
 PACIFIC 267 10.7 91 14.1 68 11.2 61 9.8 47 7.6  
 ACCREDITATION BY JCAHO 2146 86.2 536 83.1 529 87.3 545 87.5 536 86.9 0.080
 OBSTETRIC CARE HOSPITAL 2072 83.2 565 87.6 531 87.6 524 84.1 452 73.3 0.000
 WOUND MANAGEMENT SERVICES HOSPITAL 1914 76.8 521 80.8 495 81.7 490 78.7 408 66.1 0.000
 MRI HOSPITAL 2221 89.2 564 87.4 551 90.9 573 92.0 533 86.4 0.000
 GERIATRIC SERVICES HOSPITAL 1184 47.5 314 48.7 309 51.0 287 46.1 274 44.4 0.100
 CLINICAL PROCESS OF CARE MEASURES            
 FIBRINOLYTIC THERAPY WITHIN 30 MINUTES ON ARRIVAL 16 0.6 5 0.8 4 0.7 3 0.5 4 0.7 0.93
 PRIMARY PCI WITHIN 90 MINUTES OF ARRIVAL 1219 48.9 320 49.6 336 55.5 317 50.9 246 39.9 0.00
 PATIENTS GIVEN INSTRUCTIONS AT DISCHARGE 2420 97.2 632 98.0 603 99.5 616 98.9 569 92.2 0.00
 BLOOD CULTURE PERFORMED IN EMERGENCY DEPARTMENT PRIOR TO INITIAL ANTIBIOTIC 2409 96.7 631 97.8 602 99.3 612 98.2 564 91.4 0.00
 INITIAL ANTIBIOTIC SELECTION FOR ICU/NON-ICU PATIENTS 2420 97.2 634 98.3 606 100.0 611 98.1 569 92.2 0.00
 PROPHYLACTIC ANTIBIOTIC GIVEN WITHIN 1 HOUR OF INCISION 2452 98.4 628 97.4 601 99.2 617 99.0 606 98.2 0.04
 PROPHYLACTIC ANTIBIOTICS FOR SURGICAL PATIENTS 2451 98.4 628 97.4 602 99.3 616 98.9 605 98.1 0.03
 ANTIBIOTICS DISCONTINUED WITHIN 24 HOURS AFTER SURGERY 2449 98.3 628 97.4 600 99.0 617 99.0 604 97.9 0.05
 CARDIAC PATIENTS WITH CONTROLLED 6 AM POSTOPERATIVE SERUM GLUCOSE 1001 40.2 250 38.8 276 45.5 267 42.9 208 33.7 0.00
 RECOMMENDED VTE PROPHYLAXIS ORDERED 2448 98.3 636 98.6 597 98.5 618 99.2 597 96.8 0.01
 APPROPRIATE VTE PROPHYLAXIS WITHIN 24 HOURS OF SURGERY 2447 98.2 636 98.6 597 98.5 617 99.0 597 96.8 0.01
 BETA BLOCKER PRIOR TO ADMISSION AND PERIOPERATIVELY 2379 95.5 605 93.8 587 96.86 603 96.79 584 94.65 0.02
  1. Notes:
  2. 1. P-values for continuous covariates are based on ANOVA analysis and categorical variables are based on Chi-squared tests.