Factors | Classification | Number | Percent | Mean ± SD | F value | P value |
---|---|---|---|---|---|---|
Pre-operation Hb (g/L) | Hb < 100 | 5 | 3.00 | 20.00 ± 5.79 | 5.457 | 0.104 |
100 ≤ Hb < 110 | 13 | 7.80 | 22.08 ± 10.17 | |||
110 ≤ Hb < 120 | 23 | 13.80 | 21.74 ± 7.09 | |||
120 ≤ Hb < 130 | 52 | 31.10 | 17.29 ± 4.68 | |||
130 ≤ Hb < 140 | 46 | 27.50 | 18.87 ± 7.60 | |||
140 ≤ Hb | 28 | 16.80 | 19.21 ± 4.98 | |||
Pre-operation albumin (g/L) | < 30 | 2 | 1.20 | 33.50 ± 4.95 | 4.675 | 0.002 |
≥ 30 | 165 | 98.80 | 18.94 ± 6.48 | |||
Pre-operation ESR (mm/h) | < 15 | 77 | 46.10 | 17.71 ± 5.22 | 6.560 | 0.011 |
≥ 15 | 90 | 53.90 | 20.31 ± 7.47 | |||
Pre-operation CRP (mg/L) | < 5 | 44 | 26.30 | 18.55 ± 6.48 | 0.371 | 0.691 |
≥ 5 | 122 | 73.70 | 19.29 ± 6.73 | |||
Primary disease | RA | 16 | 9.60 | 23.50 ± 7.80 | 8.050 | 0.005 |
OA | 151 | 90.40 | 18.65 ± 6.36 | |||
Merge disease | No | 112 | 67.10 | 18.36 ± 5.96 | 4.509 | 0.035 |
Yes | 55 | 32.90 | 20.65 ± 7.68 | |||
ASA class | 1 | 38 | 22.80 | 16.61 ± 5.17 | 3.844 | 0.023 |
2 | 120 | 71.90 | 19.75 ± 6.53 | |||
3 | 9 | 5.40 | 21.22 ± 10.76 |