TABLE 2.
LOS and Adjusted LOSR by Recipient and Surgical Characteristics in Infants
| Median LOS (IQR) Days | P* | Adjusted LOSR | P† | |
|---|---|---|---|---|
| Standardized Weight | 0.33 | |||
| Underweight | 19 (12–31) | 1.001.101.20 | 0.04 | |
| Normal | 19 (13–31.5) | -- | ||
| Overweight | 20 (13–36.5) | 0.961.041.14 | 0.39 | |
| Gender | 0.52 | |||
| Male | 19 (13–31) | -- | ||
| Female | 19 (13–32) | 0.920.961.01 | 0.14 | |
| Race | 0.09 | |||
| White | 19 (12–31) | -- | ||
| Non-white | 20 (13–32) | 1.001.051.11 | 0.06 | |
| Biologic PELD | < 0.001 | |||
| <15 | 17 (11–27) | -- | ||
| 15–22 | 19 (13–31) | 1.061.141.22 | < 0.001 | |
| 23–28 | 21 (14–35) | 1.111.201.30 | < 0.001 | |
| 29–34 | 22 (14–36) | 0.981.071.16 | 0.12 | |
| >34 | 24 (15.5–40) | 0.991.091.20 | 0.07 | |
| Cause of ESLD | 0.02 | |||
| Biliary Atresia | 19 (13–31) | -- | ||
| Non-Biliary Atresia | 20 (13–33) | 0.971.031.08 | 0.39 | |
| Hospitalization Status | < 0.001 | |||
| Not Hospitalized | 17 (12–27) | -- | ||
| Hospitalized | 20 (14–33) | 1.081.161.23 | < 0.001 | |
| ICU | 28 (17–47) | 1.461.591.70 | < 0.001 | |
| Insurance | < 0.001 | |||
| Private | 18 (12–39) | -- | ||
| Public | 20 (13–34) | 1.031.091.15 | 0.003 | |
| Other/Missing | 17 (13–27) | 0.810.961.14 | 0.66 | |
| Graft Type | < 0.001 | |||
| Whole | 18 (11–31) | -- | ||
| Segmental | 22 (15–34) | 1.081.151.22 | < 0.001 | |
| Living Donor | 18 (13–28) | 0.860.931.01 | 0.09 |
*
P-values are testing for differences in LOS between groups using a Kruskal-Wallis test.
†
P-values are testing for statistical significance in the multivariable negative binomial regression.
Abbreviations: LOS, length of stay; LOSR, length of stay ratio; IQR, interquartile range; PELD, pediatric end-stage liver disease; ESLD, end-stage liver disease.