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. 2020 Sep 16;10(9):e036222. doi: 10.1136/bmjopen-2019-036222

Table 2.

Comparison of mortality and complications at intervention between MIS and OH cohorts

Unadjusted results IPTW results
MIS OH P value MIS versus OH MIS OH P value MIS versus OH
No % No % OR (95% CI) No % No % OR (95% CI)
Death (intervention) 9 0 18 0 0.007 0.35 (0.14 to 0.82) 8 0 25 0 0.003 0.32 (0.12 to 0.73)
Death (overall)* 17 0 44 0 <0.001 0.27 (0.14 to 0.48) 15 0 44 0 <0.001 0.34 (0.18 to 0.62)
Any complication (intervention) 4305 21 4012 28 <0.001 0.54 (0.51 to 0.57) 3503 21 4725 28 <0.001 0.67 (0.64 to 0.71)
Specific complications (intervention)
 Gastrointestinal 1637 8 1185 8 <0.001 0.61 (0.57 to 0.66) 1275 8 1479 9 <0.001 0.85 (0.79 to 0.92)
 Wounds 325 2 679 5 <0.001 0.20 (0.17 to 0.23) 276 2 783 5 <0.001 0.34 (0.30 to 0.39)
 Infections 360 2 815 6 <0.001 0.16 (0.14 to 0.19) 296 2 913 5 <0.001 0.31 (0.27 to 0.36)
 Urinary 623 3 786 5 <0.001 0.26 (0.24 to 0.29) 514 3 899 5 <0.001 0.56 (0.50 to 0.62)
 Ureteric 6 0 8 0 0.005 0.25 (0.07 to 0.82) 4 0 8 0 0.247 0.50 (0.11 to 1.86)
 Cardiovascular 1255 6 1162 8 <0.001 0.30 (0.27 to 0.32) 1047 6 1340 8 <0.001 0.77 (0.70 to 0.83)
 Pulmonary 305 1 587 4 <0.001 0.13 (0.11 to 0.15) 262 2 676 4 <0.001 0.38(0.33 to 0.44)
 Neurological 84 0 111 1 <0.001 0.18 (0.14 to 0.24) 77 0 120 1 0.002 0.64 (0.47 to 0.86)
 Haemorrhage 199 1 270 2 <0.001 0.17 (0.14 to 0.20) 169 1 310 2 <0.001 0.54 (0.44 to 0.65)
 Other 736 4 646 5 <0.001 0.22 (0.20 to 0.25) 593 4 786 5 <0.001 0.74 (0.67 to 0.83)

*Death (overall) Includes death at intervention and deaths reported 90 days after intervention.

IPTW, inverse probability weighting of treatment; MIS, minimally invasive surgery; OH, open hysterectomy.