Table 2. Patient complications during study periods.

Period	Major complications	Minor complications	Overall complications
Period 1 (n=50)	6% (3 cases): 1 deep infection; 1 hydropneumothorax; 1 SMA syndrome	16% (8 cases): 1 UTI; 2 implant related (broken rod & screw not requiring revision surgery); 5 superficial wound (suture granuloma)	22% (11 cases)
Period 2 (AD) (n=30)	3.3% (1 case): 1 deep infection	16.7% (5 cases): 1 implant related (change in screw position not requiring revision surgery); 2 superficial wound (suture granuloma); 2 progression of nonstructural curve (not requiring revision surgery)	20% (6 cases)

SMA, superior mesenteric artery; UTI, urinary tract infection; AD, accelerated discharge.