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Table 2 Elective surgery characteristics and resource utilization

From: Combining adult with pediatric patient data to develop a clinical decision support tool intended for children: leveraging machine learning to model heterogeneity

Surgery characteristics

Pediatric patients (< = 18 years of age) N = 2792

Adult patients (> = 19 years of age) N = 39,417

Standardized difference

Post-surgery resources

 Hospital length of stay (Mean, SD)

5.58 (13.8)

3.44 (4.63)

0.208 *

 ICU admission (N, %)

1020 (36.5%)

5402 (13.7%)

0.546*

 Required mechanical ventilation (N, %)

241 (8.6%)

1388 (3.5%)

0.215*

Procedure severity

 Minor

181 (6.5%)

1515 (3.8%)

0.754*

 Moderate

233 (8.3%)

8251 (20.9%)

 

 Major

1012 (36.2%)

22,500 (57.1%)

 

 None

1366 (48.9%)

7151 (18.1%)

 

Top 10 Adult surgical procedures (by Primary CPT Code)

 Total knee arthroplasty (27,447)

0 (0.0%)

3539 (9.0%)

0.932*

 Total hip arthroplasty (27,130)

9 (0.3%)

3254 (8.3%)

 

 Total shoulder arthroplasty (23,472)

1 (0.0%)

1226 (3.1%)

 

 Anterior arthrodesis incl. cervical discectomy below C2 (225,510)

2 (0.1%)

1160 (2.9%)

 

 Microsurgical w/ microscope (69,990)

191 (6.8%)

921 (2.3%)

 

 Lumbar arthrodesis w/ posterior technique (22,633)

5 (0.2%)

871 (2.2%)

 

 Anterior interbody arthrodesis incl. minimal discectomy (22,558)

2 (0.1%)

780 (2.0%)

 

 Autologous Blood Collection (86,891)

28 (1.0%)

747 (1.9%)

 

 Laparoscopy w/ gastric bypass and roux-en-Y (43,644)

4 (0.1%)

736 (1.9%)

 

 Intervertebral insertion of biomechanical device (22,853)

0 (0.0%)

651 (1.7%)

 

 Other

2550 (91.3%)

25,532 (64.8%)

 

Top 10 pediatric surgical procedures (by primary CPT code)

 Microsurgical w/ microscope (69,990)

191 (6.8%)

921 (2.3%)

0.836*

 Posterior arthrodesis for spinal deformity, 7–12 segments (22,802)

190 (6.8%0

114 (0.3%)

 

 Posterior spinal instrumentation, > 13 segments (22,844)

118 (4.2%)

121 (0.3%)

 

 Fluoroscopy for placement of central venous access device (77,001)

108 (3.9%)

8 (0.0%)

 

 Laparoscopic gastrostomy without construction of gastric tube (43,653)

60 (2.1%)

7 (0.0%)

 

 Remove and replace cerebrospinal fluid shunt (62,258)

58 (2.1%)

24 (0.1%)

 

 Negative pressure wound therapy (97,605)

50 (1.8%)

179 (0.5%)

 

 Subtrochanteric osteotomy with internal fixation (27,165)

43 (1.5%)

3 (0.0%)

 

 Other craniofacial/maxillofacial (21,299)

42 (1.5%)

0 (0.0%)

 

 Reimplant single ureter (50,780)

42 (1.5%)

5 (0.0%)

 

 Other

1890 (67.7%)

38,035 (96.5%)

 
  1. *Standardized difference greater than 0.10 indicates meaningful difference between cohorts