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Table 2 Comparison of surgical characteristics between new procedure and traditional procedure group

From: Modified Nuss operation using introducer-bar complex for pectus excavatum in adults: a retrospective study

  New procedure group (n = 52) Traditional procedure group (n = 48) P value
Operation time (min) 51.54 ± 20.32 79.45 ± 13.88 0.017
Length of incision (cm) 3.35 ± 0.38 3.42 ± 0.44 0.767
Blood loss 6.25 ± 4.88 10.90 ± 5.75 0.003
Postoperative Haller index 2.86 ± 0.28 2.91 ± 0.32 0.906
Postoperative hospital stay (day) 4.77 ± 1.62 6.86 ± 2.18 0.028
Cost (yuan) 57,200.00 ± 1125.00 56,383.00 ± 1045.00 0.838
Number of steel bars    0.800
 1 45 (86.54%) 42(87.50%)  
 2 7 (13.46%) 6 (12.50%)  
Operation time for plate removal (min) 39.30 ± 8.97 60.30 ± 10.49 0.000
Postoperative surgical outcome    0.716
 Good 43 (82.69%) 39 (81.25%)  
 Fair 9 (17.31%) 9 (18.75%)  
 Poor 0 (0.00%) 0 (0.00%)