| ASA I-II Patients |
MIS +TJRA Cohort† (n=25) |
Control Cohort † (n=25) |
Cost Difference § (95% CI) |
P-value |
| Hospital Costs (Medicare Part A) |
$9,727 (9,687)
±1,126 |
$13,365 (12,412)
±2,847 |
$3,638
(2,512; 4,982) |
<0.001 |
| Physician Costs (Medicare Part B) |
$2,036 (2,062)
±110 |
$2,432 (2,366)
±594 |
$396
(197; 693) |
0.003 |
| Anesthesia |
$335 (340)
±39 |
$431(428)
±73 |
$96
(65; 130) |
<0.001 |
| Total Costs |
$11,763 (11,774)
±1,165 |
$15,796 (15,010)
±3,179 |
$4,034
(2,758; 5,514) |
<0.001 |
| ASA III-IV Patients |
MIS + TJRA Cohort†
(n=9) |
Control Cohort†
(n=9) |
Cost Difference §
(95% CI) |
P-value |
| Hospital Costs (Medicare Part A) |
$9,364 (9,440)
±1,111 |
$15,013 (12,493)
±5,210 |
$5,649
(2,679; 9,334) |
0.006 |
| Physician Costs (Medicare Part B) |
$2,078 (2,082)
±129 |
$2,570 (2,486)
±466 |
$492
(176; 819) |
0.008 |
| Anesthesia |
$336 (345)
±42 |
$481 (454)
±144 |
$144
(58; 242) |
0.01 |
| Total Costs |
$11,443 (11,416)
±1,100 |
$17,583 (14,979)
±5,643 |
$6,140
(2,937; 10,145) |
0.006 |
*Estimated costs per patient are reported in 2004 constant dollars.
†Values are presented as mean (median) ± standard deviation.
§Intra-pair differences are calculated as Control minus (MIS + TJRA). Bootstrap 95% C.I. using the percentile method.
MIS=minimally-invasive surgery; TJRA=Total Joint Regional Anesthesia; C.I=Confi dence interval |
