Table 4.
Variable | Admission Date | Discharge Date | ||||
---|---|---|---|---|---|---|
Readmitted Within 30 Days (n = 498) | Not Readmitted Within 30 Days (n = 1,393) | P Value | Readmitted Within 30 Days (n = 498) | Not Readmitted Within 30 Days (n = 1,393) | P Value | |
Creatinine (mg/dL) | 1.0 (0.7‐1.7) | 0.9 (0.7‐1.3) | 0.001 | 1.0 (0.7‐1.5) | 0.9 (0.7‐1.2) | <0.001 |
Sodium (mmol/L) | 135 (131‐139) | 137 (134‐139) | <0.001 | 136 (133‐139) | 138 (135‐140) | <0.001 |
Total bilirubin (mg/dL) | 2.0 (0.8‐5.0) | 1.4 (0.7‐3.1) | <0.001 | 1.8 (0.8‐5.6) | 1.3 (0.7‐2.9) | <0.001 |
Serum albumin (g/dL) | 2.9 (2.5‐3.3) | 3.0 (2.5‐3.4) | 0.02 | 2.9 (2.5‐3.4) | 3.1 (2.6‐3.5) | 0.053 |
AST (U/L) | 63 (37‐130) | 53 (34‐101) | 0.37 | 54 (33‐101) | 48 (33‐85) | <0.001 |
ALT (U/L) | 38 (23‐68) | 33 (21‐64) | 0.67 | 33 (20‐60) | 31 (19‐56) | 0.20 |
ALP (U/L) | 132 (88‐227) | 113 (80‐173) | <0.001 | 123 (85‐195) | 109 (76‐165) | <0.001 |
INR | 1.4 (1.2‐1.9) | 1.3 (1.1‐1.6) | 0.006 | 1.4 (1.2‐1.8) | 1.3 (1.1‐1.6) | <0.001 |
Hemoglobin (g/dL) | 10.9 (9.4‐12.5) | 11.2 (9.6‐12.7) | 0.14 | 10 (9.0‐11.3) | 10.4 (9.3‐11.8) | <0.001 |
WBC count (×109/L) | 8.3 (5.6‐12.5) | 7.4 (5.1‐10.6) | <0.001 | 7 (4.9‐9.9) | 6.4 (4.5‐8.6) | <0.001 |
Platelet count (×109/L) | 138 (84‐214) | 136 (82‐200) | <0.001 | 122 (71‐198) | 128 (79‐194) | 0.96 |
MELD score category, n (%)a | ||||||
MELD score, median (IQR) | 18 (12.0‐23.0) | 14 (10.0‐19.0) | <0.001 | 17 (11‐24) | 13 (9.5‐18.0) | <0.001 |
MELD ≤ 15 | 152 (40.5) | 564 (58.8) | <0.001 | 156 (41.6) | 591 (61.6) | <0.001 |
MELD 16‐20 | 89 (23.7) | 193 (20.1) | 87 (23.2) | 219 (22.8) | ||
MELD 21‐30 | 104 (27.7) | 161 (16.8) | 108 (28.8) | 130 (13.5) | ||
MELD > 30 | 30 (8.0) | 42 (4.4) | 24 (6.4) | 20 (2.1) | ||
MELD‐Na score category, n (%)a | ||||||
MELD‐Na score, median (IQR) | 21 (14.4‐27.5) | 17.1 (12.9‐22.5) | <0.001 | 20.2 (14‐26) | 16 (11.2‐20.8) | <0.001 |
MELD‐Na ≤ 15 | 96 (25.6) | 357 (37.3) | <0.001 | 112 (29.9) | 439 (45.9) | <0.001 |
MELD‐Na 16‐20 | 78 (20.8) | 265 (27.7) | 72 (19.2) | 241 (25.2) | ||
MELD‐Na 21‐30 | 150 (40.0) | 265 (27.7) | 144 (38.4) | 241 (25.2) | ||
MELD‐Na > 30 | 51 (13.6) | 70 (7.3) | 47 (12.5) | 36 (3.8) |
Unless otherwise indicated.
Abbreviations: ALP, alkaline phosphatase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; INR, international normalized ratio; IQR, interquartile range; WBC, white blood cell.