Table 4 Adjusted analysis of operative outcomes

Number of ports—adj. counts

2.1 (2.0, 2.2)

3.3 (3.1, 3.5)*

4.7 (4.5, 4.9)*

3.5 (3.3, 3.7)*

3.3 (3.1, 3.5)*

N/A

< 0.0001

EBL (mL)

100.1 (90.3, 109.9)

116.6 (106.1, 127.90)

100.9 (92.1, 109.7)

114.5 (103.2, 125.7)

135.9 (125.1, 146.7)*

188.9 (169.2, 208.6)*

< 0.0001

LOS (days)

0.2 (0.2, 0.2)

0.5 (0.5, 0.6)*

1.1 (1.0, 1.2)*

0.8 (0.7, 0.9)*

0.8 (0.7, 0.9)*

1.2 (1.0, 1.4)*

< 0.0001

OT (min)

71.2 (66.9, 75.5)

119.9 (115.3, 124.6)*

99.6 (95.7, 103.6)*

110.9 (105.8, 115.9)*

117.0 (112.1, 121.8)*

93.1 (84.3, 101.9)*

< 0.0001

Prob. IntraOp Comp, %

2.1 (1.0, 3.2)

5.1 (2.9, 7.3)

5.6 (3.7, 7.6)*

5.8 (3.3, 8.3)*

7.1 (4.4, 9.8)*

9.6 (3.1, 16.0)*

0.0033

Prob. PostOp Comp, %

3.6 (1.9, 5.2)

4.9 (3.0, 6.9)

11.4 (8.7, 14.0)*

5.1 (2.8, 7.5)

8.4 (5.6, 11.3)*

1.8 (0.0, 4.3)

< 0.0001

Prob. Convert Open, %

0.0 (0.0, 0,0)

1.0 (0.0, 1.9)

0.4 (0.0, 1.2)

4.8 (1.5, 8.2)

0.0 (0.0, 0.0)

0.0 (0.0, 0.0)

N/A

Total cases

756

471

576

361

404

121