Table 1 Patients’ background characteristics at each catheter insertion event in the crude population and the SIPT-weighted model.
From: Effect of sutureless securement on hemodialysis catheter-related bloodstream infection
Crude population | SIPT-weighted model | ||||||
|---|---|---|---|---|---|---|---|
All (n = 211) | Suture group (n = 121) | GRIP-LOK group (n = 90) | Standardized difference | Suture group (n = 124) | GRIP-LOK group (n = 87) | Standardized difference | |
Age, mean (SD), years | 70.5 (14.0) | 69.5 (14.6) | 71.8 (13.0) | 0.17 | 70.6 (14.1) | 69.7 (15.2) | 0.06 |
Sex, no. (%) | |||||||
Males | 99 (46.9) | 55 (45.5) | 44 (48.9) | 0.07 | 60 (48.5) | 39 (44.5) | 0.08 |
Females | 112 (53.1) | 66 (54.5) | 46 (51.1) | 64 (51.5) | 48 (45.5) | ||
Dialysis vintage, mean (SD), months | 38.6 (92.6) | 38.1 (91.0) | 39.2 (95.2) | 0.01 | 35.5 (85.8) | 32.7 (82.7) | 0.03 |
Acute kidney injury, no. (%) | 21 (10.0) | 10 (8.3) | 11 (12.2) | 0.13 | 14 (11.3) | 11 (12.2) | 0.03 |
Diabetes, no. (%) | 95 (45.0) | 60 (49.6) | 35 (38.9) | 0.22 | 55 (44.5) | 37 (42.4) | 0.04 |
Immunosuppressants use, no. (%) | 48 (22.7) | 28 (23.1) | 20 (22.2) | 0.02 | 26 (21.3) | 19 (21.3) | 0.001 |
Catheter insertion site, no. (%) | |||||||
Femoral vein | 45 (21.3) | 29 (24.0) | 16 (17.8) | 0.15 | 27 (21.7) | 17 (19.8) | 0.05 |
Internal jugular vein | 166 (78.7) | 92 (76.0) | 74 (82.2) | 97 (78.3) | 70 (80.2) | ||
MRSA carriage, no. (%) | 69 (32.7) | 36 (29.8) | 33 (36.7) | 0.15 | 39 (31.7) | 26 (30.0) | 0.04 |
Bacteremia in the 3-month period before catheter insertion, no. (%) | 134 (63.5) | 88 (72.7) | 46 (51.1) | 0.46 | 74 (59.6) | 52 (59.3) | 0.01 |
Aspirin use, no. (%) | 55 (26.1) | 41 (33.9) | 14 (15.6) | 0.44 | 31 (25.1) | 19 (21.2) | 0.09 |
Hb, mean (SD), g/dL | 9.7 (1.9) | 9.5 (1.6) | 10.0 (2.1) | 0.24 | 9.6 (1.6) | 9.8 (2.1) | 0.09 |
Serum albumin, mean (SD), g/dL | 2.9 (0.7) | 2.8 (0.7) | 2.9 (0.7) | 0.16 | 2.9 (0.7) | 2.9 (0.7) | 0.02 |
