Table 3.

Patient demographics for primary total hip and knee arthroplasty

THA	Multiple-dose TXA (N = 65)	Single-dose TXA (N = 128)	P value
Age (years)	65.52 ± 14.30	64.84 ± 14.16	0.754
Gender (male/female)	29/36	54/74	0.761
Height (m)	1.62 ± 0.69	1.60 ± 0.07	0.087
Weight (kg)	61.38 ± 9.36	58.74 ± 10.14	0.095
BMI (kg/m2)	23.49 ± 3.26	22.94 ± 3.62	0.327
Drink	20/65	29/128	0.294
Smoke	21/65	28/128	0.161
Diagnosis
AVN	20	34	0.816
DDH	13	28
FNF	20	46
ITF	2	6
OA	6	9
RA	3	5
FAI	1	0
ASA grade	2.50 ± 0.72	2.38 ± 0.65	0.215
Operated side (left/right)	29/36	74/54	0.094
Operation time (min)	84.00 ± 29.32	80.34 ± 30.71	0.428
Length of hospital stay	14.63 ± 7.08	14.93 ± 9.01	0.816
Postoperative hospital stay	8.65 ± 6.49	9.27 ± 8.15	0.595
TKA	Multiple-dose TXA (N = 70)	Single-dose TXA (N = 96)	P value
Age (years)	68.33 ± 7.40	67.28 ± 8.53	0.411
Gender (male/female)	11/59	26/70	0.092
Height (m)	1.57 ± 0.06	1.58 ± 0.06	0.542
Weight (kg)	63.19 ± 9.44	60.97 ± 9.68	0.157
BMI (kg/m2)	25.66 ± 3.34	24.48 ± 3.92	0.057
Diagnosis
OA	66	83	0.244
RA	4	11
GA	0	2
ASA grade	2.27 ± 0.48	2.17 ± 0.52	0.176
Operated side (left/right)	36/34	36/60	0.083
Operation time (min)	94.61 ± 28.07	95.54 ± 28.63	0.836
Length of hospital stay	14.87 ± 8.16	14.98 ± 6.60	0.925
Postoperative hospital stay	8.49 ± 7.40	8.94 ± 5.51	0.653

ASA American Society of Anesthesiologists physical status classification system, AVN avascular necrosis, BMI body mass index, DDH developmental dysplasia of the hip, FAI femoroacetabular impingement, FNF femoral neck fracture, GA gout arthritis, ITF intertrochanteric fracture, OA osteoarthritis, RA rheumatoid arthritis, THA total hip arthroplasty, TKA total knee arthroplasty, TXA tranexamic acid