Table 4 Complication rates for betadine versus CHG lavage: total knee arthroplasty

Readmission within 30 days

No

N (%)

110 (44.0)

129 (51.6)

239 (95.6)

Yes

10 (4.0)

1 (0.4)

11 (4.4)

p = 0.005

Readmission within 90 days

No

N (%)

106 (42.4)

126 (50.4)

232 (92.8)

Yes

14 (5.6)

4 (1.6)

18 (7.2)

p = 0.004

Periprosthetic Joint Infection 90 days

No

N (%)

117 (46.8)

128 (51.2)

245 (98.0)

Yes

3 (1.2)

2 (0.8)

5 (2.0)

p = 0.442

Periprosthetic Joint Infection 1 year

No

N (%)

117 (46.8)

128 (51.2)

245 (98.0)

Yes

3 (1.2)

2 (0.8)

5 (2.0)

p = 0.442

Aseptic Loosening

No

N (%)

120 (48.0)

130 (52.0)

250 (100.0)

Yes

0 (0)

0 (0)

0 (0)

Superficial Drainage

No

N (%)

101 (40.4)

125 (50.0)

226 (90.4)

Yes

19 (7.6)

5 (2.0)

24 (9.6)

p < 0.001

Revision Surgery

No

N (%)

116 (46.4)

128 (51.2)

244 (97.6)

Yes

4 (1.6)

2 (0.8)

6 (2.4)

p = 0.265