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Table 1 The general characteristic of the included studies

From: Combined femoral and sciatic nerve block versus femoral and local infiltration anesthesia for pain control after total knee arthroplasty: a meta-analysis of randomized controlled trials

Author and year No of patients (SNB:LIA) Gender male/female Age (mean, SNB:LIA) Anesthesia Surgery method FNB The drug and doses of SNB The drug and doses of LIA Concomitant pain management
Mahadevan, D 2012 26/26 23/29 67.2/67.5 General anesthesia Standard medial parapatellar 20 mL of 0.375% levobupivacaine 20 mL of 0.375% levobupivacaine 20 mL of 0.375% levobupivacaine PCA for 48 h
Safa, B 2014 33/32 32/33 61.2/60.7 Spinal anesthesia NS 20 mL of 0.5% ropivacaine 20 mL of 0.5% ropivacaine 50 mL of 0.2% ropivacaine PCA for 48 h
Tanikawa, H 2014 23/23 7/39 72/71 General anesthesia Standard mid-vastus approach 20 ml of 0.375% ropivacaine 20 ml of 0.375% ropivacaine 200 mg of ropivacaine and 0.5 ml of adrenaline 0.2% ropivacaine infusion
Gi, E 2014 24/25 4/45 78/77 General anesthesia NS 20 ml 0.375% ropivacaine 20 ml 0.375% ropivacaine 60 ml 0.5% ropivacaine with 0.3 mg epinephrine 60 mg oral loxoprofen sodium every 8 h
Nagafuchi, M 2015 17/16 5/28 72/73 General anesthesia Midvastus approach 20 mL of 0.375% ropivacaine 20 mL of 0.375% ropivacaine 100 mL of 0.2% ropivacaine by adding 0.5 mL of adrenaline Continuous femoral block of 0.2% ropivacaine
Uesugi, K 2014 105/105 41/159 76.3/76 Spinal anesthesia Themid-vastus approach 20 mL of 0.75% ropivacaine 10 mL of 0.75% ropivacaine 20 ml of 0.75% ropivacaine, physiological saline 20 mL, adrenaline 0.3 mg, morphine hydrochloride and dexamethasone 3.3 mg NS
Spangehl, M. J 2015 79/81 71/89 67.8/67.7 General anesthesia Medial parapatellar approach 30 mL 0.5% ropivacaine 30 mL 0.5% ropivacaine Ropivacaine Epinephrine Ketorolac Morphine sulfate Analgesic medications
  1. NS not stated, SNB sciatic nerve block, LIA local infiltration anesthesia, FNB femoral nerve block, PCA patient controlled anesthesia