Table 6.

Percent survival rates by risk factors (from Kaplan-Meier modeling).

Risk Factors	n	Number Recovered Within 5 Years	Years Since Onset of Proteinuria					p
Risk Factors	n	Number Recovered Within 5 Years	1	2	3	4	5
Race
White	123	75	30	55	62	70	76	0.68
Black	36	21	19	52	73	80	80
Asian	31	15	31	44	55	66	66
Other	22	9	26	39	39	62	62
Sex
Female	178	103	28	54	63	71	76	0.31
Male	34	17	27	39	54	64	64
Age, yrs
< 30	101	58	26	50	61	71	77	0.89
30–50	84	49	25	52	62	69	72
≥ 50	27	13	45	56	56	65	65
Disease duration, yrs
< 5	122	71	32	54	63	74	79	0.12
≥ 5 yrs	90	49	22	49	58	66	68
DNA (Farr assay)
Normal	66	42	31	64	70	75	79	0.20
Abnormal	132	73	28	47	57	68	71
Complement
Normal	71	47	36	61	73	80	84	0.01
Low	139	72	25	47	55	65	68
Biopsy class
3	29	19	33	44	52	65	70
4, or 4 and 5	68	39	27	51	61	71	74	0.36
5	24	18	36	73	73	83	83
Proteinuria level
< 1	30	21	45	77	86	91	91
1–2	74	41	38	55	64	72	72	0.003
≥ 2	108	58	17	43	52	63	70
Steroids at start
No	32	18	26	59	68	68	68	0.85
Yes	108	102	28	50	60	71	75
Antimalarial at start
No	128	76	29	53	63	70	74	0.59
Yes	84	44	27	50	58	70	74
Immunosuppressants at start
No	112	62	29	52	63	70	73	0.55
Yes	100	58	27	51	58	71	75
Steroids in 1 yr from start
No	6	13	20	20	20	20	20	0.09
Yes	206	119	28	52	62	71	75
Antimalarial in 1 yr from start
No	105	58	26	50	61	69	72	0.65
Yes	107	62	30	53	62	72	77
Immunosuppressants in 1 yr from start
No	42	19	31	43	64	70	70	0.97
Yes	170	101	27	53	61	70	75
eGFR
≤ 60 ml/min/1.73 m²	67	36	29	53	70	73	80	0.37
> 60	145	84	28	51	58	69	72
sCr
≤ 140 μmol/l	178	99	29	51	59	69	72	0.31
> 140 μmol/l	34	21	24	55	75	80	85
SLEDAI-2K
≤ 10	37	21	34	57	65	65	65	0.85
> 10	175	99	27	50	60	71	77
CRP
Normal	27	17	35	61	66	66	72	0.92
Abnormal	5	3	25	63	100	100	100
HsCRP
Normal	54	30	31	48	63	74	83	0.30
Abnormal	27	18	28	72	72	86	86
ESR
Normal	45	27	31	50	62	72	72	0.86
Abnormal	121	62	27	50	59	67	73
Albumin
< 35 g/l	121	69	25	51	59	69	76	0.65
≥ 35 g/l	88	49	33	52	65	71	71
Cholesterol
Normal	69	38	34	50	60	73	76	0.72
Abnormal	135	78	25	53	61	69	73
Hypertensive^*
No	94	50	24	52	62	71	71	0.53
Yes	117	70	31	51	60	70	76

↵* Hypertensive patients either had documented high blood pressure or were taking antihypertensive drugs. SLEDAI-2K: SLE Disease Activity Index-2000; eGFR: estimated glomerular filtration rate; ESR: erythrocyte sedimentation rate; HsCRP: high-sensitivity C-reactive protein; sCr: serum creatinine.