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Table 2 Numbers of included patients, complication rates, intervention rates, length of hospital stay, and mortality for the drain and no drain group

From: The evidence based dilemma of intraperitoneal drainage for pancreatic resection – a systematic review and meta-analysis

Year Author All patients Any complication Minor complication Major complication Fistula (grade B/C) Abscess Rad. Intervention Re-operation Length of hospital stay (d, estimated mean ± SD) Mortality
   Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain Drain No drain
1998 Heslin[5] 51 38 23 15 13 9 14 8 3 1 3 0 2 1 1 3 12 ± 7 12 ± 6 n.s. n.s.
2001 Conlon[6] 88 91 66 57 93* 83* 43** 39** 11 0 6 6 11 7 8 4 n.s. n.s. 2 2
2011 Fisher[8] 179 47 117 22 171*** 23*** 38 7 21 5 10 2 4 5 8 0 7 ± 2 7 ± 1 1 1
2012 Paulus[10] 39 30 15 20 n.s. n.s. n.s. n.s. 6 0 8 7 5 7 11 8 9 ± 2.5 6.5 ± 1 1 0
2013 Adham[9] 130 112 83 45 46 27 32 48 12 13 16 15 8 14 16 17 16.2 ± 24 17.8 ± 31 7 5
2013 Mehta[11] 251 458 171 248 n.s. n.s. 62 75 41 35 n.s. n.s. 21 29 14 26 n.s. n.s. 5 11
2013 Correa-Gallego[7] 553 569 301 272 n.s. n.s. 185 150 149 102 n.s. n.s. 103**** 83***** 3**** 2***** n.s. n.s. 6**** 12*****
2014 Van Buren[12] 68 69 50 55 n.s. n.s. 21 28 8 14 8 18 6 16 2 6 7 ± 2 8 ± 5 2 8
  1. These values were used for the meta-analysis. Consider the difficulty of comparing the length of hospital stay due to its varying specifications, as mentioned in the text. d, days, SD, standard deviation, n.s., not specified.
  2. *Out of 176 (multiple mentions).
  3. **Out of 82 (multiple mentions).
  4. ***Out of 194 (multiple mentions).
  5. ****Out of 540 (subgroup).
  6. *****Out of 549 (subgroup).