Table 3.

Rate of infections based on number of spine I&D procedures

Infection	I&D #1	I&D #2	I&D #3	I&D #4	p-value
Fungal infection					0.0673
Not infected	196	42	14	5
Infected	5	2	2	1
Infection rate (%)	2.49	4.40	12.50	16.67
AFB infection					0.9556
Not infected	201	44	16	5
Infected	1	0	0	0
Infection rate (%)	0.50	0	0	0
Fungal or AFB infection					0.1133
Not infected	196	42	14	5
Infected	6	2	2	1
Infection rate (%)	2.97	4.50	12.50	16.67

I&D, irrigation and debridement; AFB, acid-fast bacteria.