Case Control Study
Copyright ©The Author(s) 2023.
World J Orthop. Mar 18, 2023; 14(3): 123-135
Published online Mar 18, 2023. doi: 10.5312/wjo.v14.i3.123
Table 1 Comparison of baseline characteristics between Control-1 perioperative surgical home and perioperative surgical home cohorts
Characteristics
C1-PSH (n = 1413)
PSH (n = 791)
P value
mean (SD) [min, max] or n (%)
mean (SD) [min, max] or n (%)
Age67.3 (10) [18, 95]69.2 (8.6) [31, 90]< 0.011
Gender0.192
Male629 (45)379 (47.5)
BMI29.7 (6.2) [17.3, 68.5]29 (6.09) [14.67, 55.3]0.861
ASA0.0093
Class 167 (4.7)20 (2.5)
Class 2817 (57.8)434 (54.9)
Class 3517 (36.6)332 (42)
Class 412 (0.8)5 (0.6)
Procedure 0.082
THA489 (35)311 (39.3)
TKA686 (49)356 (45)
TSA238 (17)124 (15.7)
Insurance < 0.012
Private 415 (29)145 (18)
Public 998 (71)646 (82)
Table 2 Surgical outcomes of perioperative surgical home cohort relative to Control-1 perioperative surgical home cohort
Outcomes
Unadjusted odds ratio (95%CI)
Unadjusted, P value
Adjusted risk (95%CI)
Adjusted, P value
Length of stay--0.90 (0.88, 0.91)1< 0.01
Discharge disposition0.20 (0.13, 0.30)< 0.010.09 (0.05, 0.14)2< 0.01
Readmission0.76 (0.51, 1.12)0.170.72 (0.47, 1.09)30.11
Table 3 Comparison of baseline characteristics between the Control-2 perioperative surgical home and perioperative surgical home cohorts
Characteristics
C2-PSH (n = 892)
PSH (n = 791)
P value
mean (SD) [min, max] or n (%)
mean (SD) [min, max] or n (%)
Age69 (8.5) [37, 98]69.2 (8.6) [31, 90]0.21
Gender0.522
Male439 (49.2)376 (47.5)
BMI30 (6.2) [17, 57.8]30 (6.1) [14.67, 55.3]0.761
ASA0.0463
Class 124 (2.7)16 (3.4)
Class 2546 (61.2)434 (54.9)
Class 3319 (35.8)332 (42)
Class 43 (0.3)5 (0.6)
Procedure < 0.012
THA294 (33)311 (39.3)
TKA355 (39.8)356 (45)
TSA243 (27.2)124 (15.7)
Insurance 0.42
Private 179 (20)145 (18)
Public 713 (80)646 (82)
Table 4 Surgical outcomes of perioperative surgical home cohort relative to Control-2 non-perioperative surgical home cohort
Outcomes
Unadjusted odds ratio (95%CI)
Unadjusted, P value
Adjusted risk (95%CI)
Adjusted, P value
Length of stay--0.91 (0.90, 0.94)1< 0.01
Discharge disposition0.51 (0.32, 0.80)< 0.010.38 (0.17, 0.77)2< 0.01
Readmission0.48 (0.22, 0.99)0.040.43 (0.21, 0.93)30.03