Table 3.

Comparison of length of hospital stay and costs for hemodialysis patients cared for by nephrologists (n = 111) and internists (n = 102)a

VariableNephrology (Total n = 114)Internal Medicine (Total n = 105)P Value
aResults are given as mean, median (first and third data quartiles).
bRoutine costs include costs from the floor where the patient is physically located.
Days of hospital stay6.3, 4.0 (2 to 8)8.1, 6.0 (4 to 9)0.017
Predicted days of hospital stay6.9, 5.9 (4.5 to 8.1)7.6, 6.1 (4.7 to 9.6)0.378
Total cost of stay$7,925, $6,138 ($3,342 to 10,125)$10,773, $6,836 ($4,023 to 11,239)0.101
Predicted cost of hospital stay$8,712, $7,252 ($5,107 to 10,772)$10,183, $7,633 ($5,287 to 12,872)0.269
Cost categories
diagnostic tests$1,162, $692 ($104 to 1,467)$1,031, $459 ($72 to 1,428)0.572
dialysis$1,076, $802 ($535 to 1,448)$1,411, $995 ($535 to 1,590)0.185
laboratory$974, $622 ($327 to 1,152)$1,551, $837 ($440 to 1,503)0.093
routine costsb$2,569, $1,814 ($911 to 3,239)$3,452, $2,316 ($1,360 to 3,837)0.010
pharmacy$736, $492 ($278 to 819)$1,177, $701 ($405 to 1,081)0.008
respiratory therapy$82, $26 ($0 to 97)$125, $26 ($0 to 108)0.365
procedures$119, $0 ($0 to 80)$54, $0 ($0 to 0)0.446
supplies$196, $72 ($19 to 174)$243, $54 ($25 to 186)0.769