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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Arthritis+Rheumatol
2016 ; 68
(8
): 1932-44
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gab.com Text
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A Longitudinal Analysis of Outcomes of Lupus Nephritis in an International
Inception Cohort Using a Multistate Model Approach
#MMPMID26991067
Hanly JG
; Su L
; Urowitz MB
; Romero-Diaz J
; Gordon C
; Bae SC
; Bernatsky S
; Clarke AE
; Wallace DJ
; Merrill JT
; Isenberg DA
; Rahman A
; Ginzler EM
; Petri M
; Bruce IN
; Dooley MA
; Fortin P
; Gladman DD
; Sanchez-Guerrero J
; Steinsson K
; Ramsey-Goldman R
; Khamashta MA
; Aranow C
; Alarcón GS
; Fessler BJ
; Manzi S
; Nived O
; Sturfelt GK
; Zoma AA
; van Vollenhoven RF
; Ramos-Casals M
; Ruiz-Irastorza G
; Lim SS
; Kalunian KC
; Inanc M
; Kamen DL
; Peschken CA
; Jacobsen S
; Askanase A
; Theriault C
; Farewell V
Arthritis Rheumatol
2016[Aug]; 68
(8
): 1932-44
PMID26991067
show ga
OBJECTIVE: To study bidirectional change and predictors of change in estimated
glomerular filtration rate (GFR) and proteinuria in lupus nephritis (LN) using a
multistate modeling approach. METHODS: Patients in the Systemic Lupus
International Collaborating Clinics inception cohort were classified annually
into estimated GFR state 1 (>60 ml/minute), state 2 (30-60 ml/minute), or state 3
(<30 ml/minute) and estimated proteinuria state 1 (<0.25 gm/day), state 2
(0.25-3.0 gm/day), or state 3 (>3.0 gm/day), or end-stage renal disease (ESRD) or
death. Using multistate modeling, relative transition rates between states
indicated improvement and deterioration. RESULTS: Of 1,826 lupus patients, 700
(38.3%) developed LN. During a mean?±?SD follow-up of 5.2?±?3.5 years, the
likelihood of improvement in estimated GFR and estimated proteinuria was greater
than the likelihood of deterioration. After 5 years, 62% of patients initially in
estimated GFR state 3 and 11% of patients initially in estimated proteinuria
state 3 transitioned to ESRD. The probability of remaining in the initial states
1, 2, and 3 was 85%, 11%, and 3%, respectively, for estimated GFR and 62%, 29%,
and 4%, respectively, for estimated proteinuria. Male sex predicted improvement
in estimated GFR states; older age, race/ethnicity, higher estimated proteinuria
state, and higher renal biopsy chronicity scores predicted deterioration. For
estimated proteinuria, race/ethnicity, earlier calendar years, damage scores
without renal variables, and higher renal biopsy chronicity scores predicted
deterioration; male sex, presence of lupus anticoagulant, class V nephritis, and
mycophenolic acid use predicted less improvement. CONCLUSION: In LN, the expected
improvement or deterioration in renal outcomes can be estimated by multistate
modeling and is preceded by identifiable risk factors. New therapeutic
interventions for LN should meet or exceed these expectations.