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Table 1 Baseline clinical and demographic data according to severity of depression

From: Depression does not predict clinical outcome of Chinese peritoneal Dialysis patients after adjusting for the degree of frailty

  All patients Depression P value
none mild moderate moderately severe severe
No. of patients 267 110 80 43 26 8  
Age (year) 62.9 ± 12 62.3 ± 12.7 62.2 ± 11.6 63.5 ± 12.1 64.0 ± 9.7 70.1 ± 12.5 p = 0.3b
Sex (M:F) 131:136 57:53 36:44 25:18 11:15 2:6 p = 0.5a
Weight (kg) 64.9 ± 13.1 65.4 ± 13.7 63.3 ± 11.6 66.2 ± 15.0 66.1 ± 12.2 61.9 ± 14.3 p = 0.9b
Height (cm) 160.2 ± 7.8 161.0 ± 7.8 159.0 ± 7.5 162.0 ± 7.5 159.0 ± 8.9 158.0 ± 6.4 p = 0.4b
Duration of dialysis (months) 30.9 (13.8–62.1) 29.6 (14.9–55.7) 30.5 `(13.1–62.5) 42.7 (17.1–70.5) 22.4 (12.9–59.7) 38.4 (35.4–49.3) p = 0.8b
Renal diagnosis, no. of patient (%)        p = 0.17a
 diabetic nephropathy 98 (36.7%) 37 (33.6%) 27 (33.8%) 20 (46.5%) 9 (34.6%) 5 (62.5%)  
 hypertensive nephrosclerosis 30 (11.2%) 11 (10%) 9 (11.3%) 6 (14%) 4 (15.4%) 0 (0%)  
 glomerulonephritis 84 (31.5%) 38 (34.5%) 25 (31.3%) 10 (23.3%) 8 (30.8%) 3 (37.5%)  
 polycystic kidney 8 (3.0%) 4 (3.6%) 3 (3.8%) 1 (2.3%) 0 (0%) 0 (0%)  
 urological problems 11 (4.1%) 9 (8.2%) 0 (0%) 1 (2.3%) 1 (3.8%) 0 (0%)  
 unknown 30 (11.2%) 10 (9.1%) 14 (17.5%) 4 (9.3%) 2 (7.7%) 0 (0%)  
 others 6 (2.2%) 1 (0.9%) 2 (2.5%) 1 (2.3%) 2 (7.7%) 0 (0%)  
Comorbidity, no. of case (%)
 diabetes 121 (45.3%) 47 (42.7%) 34 (42.5%) 23 (53.5%) 11 (42.3%) 6 (75%) p = 0.3a
 ischemic heart disease 29 (10.9%) 16 (14.5%) 13 (16.3%) 6 (14.0%) 3 (11.5%) 0 (0%) p = 0.5a
 cerebrovascular disease 47 (17.6%) 16 (14.5%) 15 (18.8%) 11 (25.6%) 3 (11.5%) 2 (25%) p = 0.3a
 peripheral vascular disease 9 (3.4%) 4 (3.6%) 0 (0%) 1 (2.3%) 3 (11.5%) 1 (12.5%) p = 0.4a
Charlson Comorbidity Index 5.66 ± 2.51) 5.45 ± 2.26 5.25 ± 2.32 5.37 ± 2.12 4.81 ± 1.72 6.50 ± 2.56 p = 0.4b
PD exchange by assistants, no. of case (%) 34 (12.7%) 10 (9.1%) 9 (11.3%) 8 (18.6%) 2 (7.7%) 5 (37.5%) p = 0.14a
Baseline biochemistry
 serum albumin (g/L) 33.7 ± 4.37 34.1 ± 4.57 34.2 ± 3.92 31.8 ± 4.39 35.0 ± 3.15 28.4 ± 3.69 p = 0.09b
 total cholesterol (mmol/l) 4.91 ± 1.35 4.95 ± 1.28 4.77 ± 1.34 4.86 ± 1.54 5.13 ± 1.39 5.08 ± 1.44 p = 0.9b
 LDL cholesterol (mmol/l) 2.82 ± 1.13 2.82 ± 1.04 2.66 ± 1.09 2.92 ± 1.29 3.06 ± 1.20 2.89 ± 1.43 p = 0.8b
 HDL cholesterol (mmol/l) 1.31 ± 0.57 1.32 ± 0.46 1.28 ± 0.53 1.21 ± 0.49 1.36 ± 0.48 1.87 ± 1.70 p = 0.5b
 weekly Kt/V 1.82 ± 0.48 1.89 ± 0.53 1.81 ± 0.49 1.58 ± 0.36 1.86 ± 0.37 1.86 ± 0.47 p = 0.08b
 residual GFR (ml/min/1.73m2) 1.46 ± 2.00 1.87 ± 2.25 1.34 ± 1.73 0.85 ± 1.87 1.33 ± 1.67 0.39 ± 0.81 p = 0.003b
  1. LDL low density lipoprotein, HDL high density lipoprotein. Data are expressed as mean ± standard deviation or median (inter-quartile range), and compared by aKendall’s tau test and bSpearman rank order correlation coefficient