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Table 2 Qualitative analysis postoperative outcomes

From: Effects of reconstruction techniques after proximal gastrectomy: a systematic review and meta-analysis

Authors Reflux esophagitis Anastomotic stricture Anastomotic leakage Residual food
Double tract     
 Ahn et al. [30] 2/43 (4.65%) 2/43 (4.65%) 21/43 (48.9%)
 Kim et al. [31] 2/17 (11.8%) 0/17 (0%) 1/17 (5.9%)
Kamitaka et al. [32] 2/10 (20%) 0/10 (0%)
 Nomura et al. [17] 1/15 (6.7%) 1/15 (3.3%) 0/15 (0%) 2/15 (13.3%)
 Sugiyama et al. [33] 0/10 (0%) 1/10 (10%)
 Aburatani et al. [47] 2/19 (10.5%) 0 0
 Yang et al. [37] 0
 Tanaka et al. [32] 2/10 (20%) 0 0 0
 Hong et al. [39] 0 0 0
 Total 11/114 (9.6%) 3/85 (3.5%) 2/52 (3.9%) 23/58 (39.6%)
Jejunal pouch interposition     
 Senmaru et al. [24] 1/12 (8.3%) 0 (0%)
 Kameyama et al. [19] 6/46 (13.0%) 9/46 (15.3%) 23/46 (50.0%)
 Isobe et al. [25] 2/12(16.7) 1/12 (8.3%) 1/12 (8.3%)
 Nakamura et al [38]. 1/12 (8.3%) 0 11/12 (91.7%)
 Total 8/58 (13.8%) 3/36 (8.3%) 10/58 (17.2%) 34/58 (58.6%)
Jejunal interposition     
 Wright et al. [23] 2/30 (6.7%) 1/30 (3.3%) 3/30 (10%) 8/30 (26.7%)
 Senmaru et al. [24] 2/12 (16.7%) 1/12 (8.3%)
 Kameyama et al. [19] 3/10 (30.0%) 0/10 (0.0%) 3/10 (30.0%)
 Isobe et al. [25] 3/23 (13.0) 0/23 (0%) 3/23 (13.0)
 Kazuhiro et al. [26] 0/14 (0%) 9/14 (64.3%) 0/14 (0%)
 Adachi et al. [27] 0/16 (0%) 1/16 (6.3%) 0/16 (0%)
 Yasuda et al. [29] 1/23 (5%) 3/21 (14.3%) 2/21 (10%) 17/17 (100%)
 Zhao et al. [21] 2/31 (6.5%) 0/35 (0%)
 Nomura et al. [17] 1/15 (6.7%) 1/15 (3.3%) 0/15 (0%) 4/15 (26.7%)
 Tokunaga et al. [46] 3/45 (7%)
 Nakamura et al. [38] 7/22 (31.8%) 1/25 (4%) 7/22 (31.8%)
 Takayama et al. [41] 1/32 (3.1%)
 Ohashi et al. [35] 22/65 (34%) 6/65 (9%)
 Katai et al. [48] 13/128 (10.2%) 1/128 (0.8%)
 Masuzawa et al. [40] 5/32 (15.6%) 1/32 (3.1%) 0
 Total 42/304 (13.8%) 39/345 (11.3%) 15/369 (4.1%) 39/94 (41.5%)
Esophagogastrostomy     
 Isobe et al. [25] 12/66 (18.2%) 2/66 (3.0%) 1/66 (1.5%)
 Kazuhiro et al. [26] 4/10 (40%) 2/10 (20%) 2/11 (18.2%)
 Kondoh et al. [28] 4/10 (40%) 4/10 (40%) 0/10 (0%)
 Yasuda et al. [29] 1/23 (4.3%) 0/25 (0%) 0/25 (0%)
 Zhang et al. [22] 9/62 (14.5%) 11/62 (7.1%) 5/62 (8.1%)
 Tokunaga et al. [46] 3/38 (8%)
 Nakamura et al. [38] 12/55 (21.8%) 0 12/55 (21.8%)
 Masuzawa et al. [40] 9/49 (18.4%) 2/49 (4.1%) 0  
 Abutarani et al. [47] 12/22 (54.5%) 6/22 (27.3%) 0  
 Total 54/280 (19.3%) 39/299 (13.0%) 8/174 (4.6%) 12/55 (21.8%)
Double flap reconstruction     
 Kano et al. [42] 3/51 (5.9%) 4/51 (8%) 0/51 (0%) 2/51 (3.9%)
 Koruda et al. [20] 46/464 (10.6%) 26/464 (5.5%) 7/464 (1.5%)
 Omori et al. [43] 0/32 (0%) 0/32 (0%) 0/32 (0%)
 Saeki et al. [44] 1/13 (7.7%) 1/13 (7.7%)
 Total 50/560 (8.9%) 30/547 (5.5%) 8/560 (1.4%) 2/51 (3.9%)