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. 2003 Jan 20;2003(1):CD001785. doi: 10.1002/14651858.CD001785

Comparison 3. TEP versus Open.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Duration of operation (minutes) 9 2384 Mean Difference (IV, Fixed, 95% CI) 9.94 [8.54, 11.34]
1.1 TEP versus Mesh 5 566 Mean Difference (IV, Fixed, 95% CI) 5.29 [2.84, 7.73]
1.2 TEP versus Non‐Mesh 3 1156 Mean Difference (IV, Fixed, 95% CI) 10.30 [8.20, 12.40]
1.3 TEP versus Mixed Open 1 662 Mean Difference (IV, Fixed, 95% CI) 15.91 [12.98, 18.84]
2 "Opposite" method initiated 7 2302 Peto Odds Ratio (Peto, Fixed, 95% CI) 3.67 [2.13, 6.33]
2.1 TEP versus Mesh 4 526 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
2.2 TEP versus Non‐Mesh 2 1098 Peto Odds Ratio (Peto, Fixed, 95% CI) 6.11 [2.46, 15.15]
2.3 TEP versus Mixed Open 1 678 Peto Odds Ratio (Peto, Fixed, 95% CI) 2.76 [1.40, 5.45]
3 Conversion 11 2672 Peto Odds Ratio (Peto, Fixed, 95% CI) 7.80 [4.71, 12.95]
3.1 TEP versus Mesh 6 681 Peto Odds Ratio (Peto, Fixed, 95% CI) 7.36 [1.47, 36.94]
3.2 TEP versus Non‐Mesh 4 1340 Peto Odds Ratio (Peto, Fixed, 95% CI) 8.31 [4.02, 17.17]
3.3 TEP versus Mixed Open 1 651 Peto Odds Ratio (Peto, Fixed, 95% CI) 7.36 [3.36, 16.13]
4 Haematoma 9 2347 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.55 [0.41, 0.75]
4.1 TEP versus Mesh 4 426 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.26 [0.14, 0.48]
4.2 TEP versus Non‐Mesh 4 1337 Peto Odds Ratio (Peto, Fixed, 95% CI) 1.27 [0.70, 2.33]
4.3 TEP versus Mixed Open 1 584 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.53 [0.34, 0.83]
5 Seroma 8 2287 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.92 [0.57, 1.50]
5.1 TEP versus Mesh 4 426 Peto Odds Ratio (Peto, Fixed, 95% CI) 1.12 [0.24, 5.09]
5.2 TEP versus Non‐Mesh 3 1279 Peto Odds Ratio (Peto, Fixed, 95% CI) 7.65 [2.33, 25.09]
5.3 TEP versus Mixed Open 1 582 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.55 [0.31, 0.98]
6 Wound/superficial infection 8 2288 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.56 [0.27, 1.19]
6.1 TEP versus Mesh 4 426 Peto Odds Ratio (Peto, Fixed, 95% CI) 2.03 [0.21, 19.85]
6.2 TEP versus Non‐Mesh 3 1279 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.14 [0.03, 0.61]
6.3 TEP versus Mixed Open 1 583 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.79 [0.31, 2.02]
7 Mesh/deep infection 6 1992 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.1 TEP versus Mesh 3 311 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.2 TEP versus Non‐Mesh 2 1098 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.3 TEP versus Mixed Open 1 583 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
8 Vascular injury 7 2276 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.55 [0.06, 5.30]
8.1 TEP versus Mesh 3 323 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
8.2 TEP versus Non‐Mesh 3 1279 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.55 [0.06, 5.30]
8.3 TEP versus Mixed Open 1 674 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
9 Visceral injury 5 2070 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.13 [0.00, 6.78]
9.1 TEP versus Mesh 2 298 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
9.2 TEP versus Non‐Mesh 2 1098 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
9.3 TEP versus Mixed Open 1 674 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.13 [0.00, 6.78]
10 Port site hernia 5 1952 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
10.1 TEP versus Mesh 2 298 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
10.2 TEP versus Non‐Mesh 2 1098 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
10.3 TEP versus Mixed Open 1 556 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
11 Length of stay (days) 10 2563 Mean Difference (IV, Fixed, 95% CI) ‐0.33 [‐0.40, ‐0.25]
11.1 TEP versus Mesh 5 622 Mean Difference (IV, Fixed, 95% CI) ‐0.34 [‐0.45, ‐0.23]
11.2 TEP versus Non‐Mesh 4 1338 Mean Difference (IV, Fixed, 95% CI) ‐0.34 [‐0.45, ‐0.22]
11.3 TEP versus Mixed Open 1 603 Mean Difference (IV, Fixed, 95% CI) ‐0.15 [‐0.48, 0.18]
12 Time to return to usual activities (days) 6 930 Peto Odds Ratio (95% CI) 0.51 [0.45, 0.59]
12.1 TEP versus Mesh 4 409 Peto Odds Ratio (95% CI) 0.26 [0.21, 0.33]
12.2 TEP versus Non‐Mesh 1 94 Peto Odds Ratio (95% CI) 0.78 [0.52, 1.17]
12.3 TEP versus Mixed Open 1 427 Peto Odds Ratio (95% CI) 0.80 [0.66, 0.97]
13 Persisting pain 6 2006 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.47 [0.36, 0.60]
13.1 TEP versus Mesh 3 350 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.13 [0.05, 0.34]
13.2 TEP versus Non‐Mesh 2 1015 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.22 [0.14, 0.35]
13.3 TEP versus Mixed Open 1 641 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.77 [0.57, 1.06]
14 Persisting numbness 4 906 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.57 [0.41, 0.80]
14.1 TEP versus Mesh 3 302 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.21 [0.04, 1.12]
14.2 TEP versus Non‐Mesh 0 0 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.0 [0.0, 0.0]
14.3 TEP versus Mixed Open 1 604 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.60 [0.42, 0.85]
15 Hernia recurrence 12 2753 Peto Odds Ratio (95% CI) 0.91 [0.57, 1.46]
15.1 TEP versus Mesh 6 678 Peto Odds Ratio (95% CI) 0.97 [0.34, 2.77]
15.2 TEP versus Non‐Mesh 5 1519 Peto Odds Ratio (95% CI) 0.67 [0.38, 1.18]
15.3 TEP versus Mixed Open 1 556 Peto Odds Ratio (95% CI) 7.10 [1.61, 31.24]