Impact of Preoperative Quality of Life and Related Factors on the Development of Surgical Site Infections Following Primary Total Joint Arthroplasty: A Prospective Case-Control Study with a Five-Year Follow-Up

Table 3

Laboratory findings at preoperative, postoperative, and hospital discharge periods among the TKR and THR groups.

Parameters	Preop values (median value ± SD)	Postop values (median value ± SD)	Laboratory values at hospital discharge
Haematocrit (%) (TKR group)	41.6 ± 8.8	37 ± 4.1	31.5 ± 5.3
Haemoglobin (g/dl) (TKR group)	13.6 ± 1.1	11.8 ± 0.4	11.7 ± 6.3
Creatinine (mg/dl) (TKR group)	1.07 ± 1.1	1.22 ± 0.35	0.99 ± 0.30
Urea (mg/dl) TKR	41.1 ± 17.1	38.6 ± 16.9	36.3 ± 15.4
Haematocrit (%) (THR group)	41.8 ± 6.4	37.0 ± 2.0	33.2 ± 6.4
Haemoglobin (g/dl) (THR group)	13.45 ± 0.1	11.9 ± 0.8	11.5 ± 2
Creatinine (mg/dl) (THR group)	1.08 ± 0.12	1.4 ± 0	1.0 ± 0.1
Urea (mg/dl) THR (THR group)	41.6 ± 21.2	38.2 ± 14.1	36.8 ± 5.7