Table 2.
Sample characteristics and analysis of differences in hospitalization expenses of chronic renal failure.
| Variables (Group) | No. of cases | Median | Lower quartile | Upper quartile | Test statistic | P |
|---|---|---|---|---|---|---|
| (% Total N = 1,635) | (CNY) | (CNY) | (U/H) | |||
| Gender | 1.322 | 0.25 | ||||
| Male | 958 (58.6) | 8,350 | 5,601 | 14,609 | ||
| Female | 677 (41.4) | 8,053 | 5,118 | 14,425 | ||
| Marital status | 5.322 | 0.07 | ||||
| Unmarried | 129 (7.9) | 9,863 | 5,345 | 41,537 | ||
| Married | 1,464 (89.5) | 8,126 | 5,429 | 13,901 | ||
| Other | 42 (2.6) | 8,550 | 4,549 | 19,620 | ||
| Major procedure | 579.141 | <0.01* | ||||
| Venous catheterization | 26 (1.6) | 11,808 | 6,137 | 19,764 | ||
| Venous catheterization for renal dialysis | 186 (11.4) | 11,537 | 7,163 | 18,503 | ||
| Arteriovenostomy for renal dialysis | 398 (24.3) | 7,444 | 5,007 | 11,528 | ||
| Revision of arteriovenous shunt for renal dialysis | 25 (1.5) | 8,448 | 3,975 | 14,542 | ||
| Hemodialysis | 19 (1.2) | 7,050 | 4,895 | 14,229 | ||
| Creation of cutaneoperitoneal fistuna | 66 (4.0) | 11,516 | 7,675 | 16,711 | ||
| Closed (percutaneous) (needle) biopsy of kidney | 24 (1.5) | 7,712 | 5,861 | 10,198 | ||
| Other kidney transplantation | 157 (9.6) | 71,483 | 57,862 | 86,866 | ||
| Computerized axial tomography of head | 30 (1.8) | 9,374 | 7,164 | 15,446 | ||
| Computerized axial tomography of thorax | 47 (2.9) | 10,305 | 6,886 | 16,066 | ||
| Computerized axial tomography of abdomen | 36 (2.2) | 8,398 | 6,375 | 13,620 | ||
| Diagnostic ultrasound of heart | 138 (8.4) | 6,711 | 5,077 | 8,649 | ||
| Diagnostic ultrasound of urinary | 48 (2.9) | 6,591 | 4,964 | 8,871 | ||
| Diagnostic ultrasound of abdomen and retroperitoneum | 114 (7.0) | 6,598 | 4,735 | 8,320 | ||
| Diagnostic ultrasound of peripheral vascular system | 58 (3.5) | 7,379 | 5,416 | 9,914 | ||
| Other oxygen enrichment | 21 (1.3) | 11,866 | 5,844 | 19,478 | ||
| No procedure | 242 (14.8) | 5,362 | 2,860 | 8,960 | ||
| Medical payment method | 8.361 | 0.04* | ||||
| Medical insurance | 1,165 (71.3) | 8,119 | 5,346 | 13,431 | ||
| Full public expense | 48 (2.9) | 8,203 | 5,609 | 16,726 | ||
| Full self-pay | 288 (17.6) | 9,059 | 5,529 | 22,650 | ||
| Other | 134 (8.2) | 8,131 | 5,337 | 20,752 | ||
| Hospitalization frequency | 15.186 | 0.02* | ||||
| 1 | 685 (41.9) | 8,643 | 5,621 | 16,890 | ||
| 2 | 308 (18.8) | 7,973 | 5,454 | 16,033 | ||
| 3 | 176 (10.8) | 8,220 | 5,118 | 13,072 | ||
| 4 | 135 (8.3) | 7,942 | 5,755 | 12,473 | ||
| 5 | 77 (4.7) | 8,122 | 5,327 | 13,228 | ||
| 6 | 54 (3.3) | 5,893 | 4,492 | 11,511 | ||
| ≥7 | 200 (12.2) | 8,084 | 5,269 | 12,505 | ||
| Age | 4.069 | 0.25 | ||||
| ≤ 18 | 18 (1.1) | 9,746 | 5,702 | 17,590 | ||
| 19–40 | 328 (20.1) | 8,586 | 4,867 | 40,158 | ||
| 41–65 | 695 (42.5) | 8,023 | 5,112 | 14,025 | ||
| ≥66 | 594 (36.3) | 8,318 | 5,748 | 13,110 | ||
| Length of stay | 890.755 | <0.01* | ||||
| ≤ 10 | 1,004 (61.4) | 6,050 | 4,261 | 8,227 | ||
| 11–15 | 363 (22.2) | 12,468 | 9,062 | 17,228 | ||
| 16–20 | 136 (8.3) | 20,821 | 15,238 | 50,553 | ||
| ≥21 | 132 (8.1) | 72,926 | 39,114 | 89,635 | ||
| Number of other diagnosis | 57.722 | <0.01* | ||||
| ≤ 1 | 41 (2.5) | 12,993 | 2,981 | 59,377 | ||
| 2 | 95 (5.8) | 11,076 | 4,219 | 63,538 | ||
| 3 | 165 (10.1) | 6,785 | 4,396 | 15,175 | ||
| 4 | 199 (12.2) | 6,529 | 3,936 | 10,728 | ||
| 5 | 308 (18.8) | 7,710 | 5,496 | 13,416 | ||
| 6 | 193 (11.8) | 7,843 | 5,031 | 12,133 | ||
| 7 | 174 (10.6) | 7,908 | 5,743 | 12,740 | ||
| 8 | 127 (7.8) | 8,648 | 5,772 | 14,348 | ||
| 9 | 107 (6.5) | 8,959 | 6,977 | 13,913 | ||
| 10 | 226 (13.8) | 11,115 | 7,365 | 16,710 | ||
| Number of procedure | 223.974 | <0.01* | ||||
| 0 | 235 (14.4) | 5,336 | 2,870 | 8,959 | ||
| 1 | 330 (20.2) | 6,045 | 3,921 | 9,310 | ||
| ≥2 | 1,070 (65.4) | 10,028 | 6,471 | 17,649 |
CNY, China Yuan.
*
The significance level is 0.05.