LEF, leflunomide; MTX, methotrexate; TGP, total glucosides of paeony; TG, tripterysium glycosides; SASP, salicylazosulfapyridine; ETN, eternacept; IGU, iguratimod; PA, penicillamine; PRDL, prednisolone; PRED, prednisone; MPS, methylprednisolone; DMARD, disease-modifying anti-rheumatic drug; GC, glucocorticoid

Table 3 Postoperative clinical outcomes and clinical outcomes at the latest follow-up