Table 2.

Potential risk factors.

Normal Variable	All patients	Post operative AKI, n = 32	No post operative AKI, n = 135	Logistic Regression
				Univariate		Multivariate
				O.R (95%CI)	P value	O.R (95% CI)	P value
Age
Mean	70.2	72.8	69.7	10.2(0.99–1.06)	0.166	1.07(1.03–1.18)	0.0011
Standard Deviation	11.8	10.2	12.1
Gender
Male	90	14	76	0.89(0.41–1.91)	0.7621	0.67(0.30–1.53)	0.3443
Female	107	18	89
Obese*
Yes	105	26	79	4.72(1.84–12.1)	0.0012	6.40(2.34–17.5)	0.003
No	92	6	86
Smoking*
Yes	22	5	17	1.61(0.55–4.74)	0.3853	3.76(1.01–14.0)	0.0482
No	175	27	148
COPD*
Yes	18	7	11	3.92(1.39–11.1)	0.0099	3.85(1.18–12.5)	0.0253
No	179	25	154
T2DM
Yes	33	9	24	2.30(0.95–5.56)	0.0649	1.19(0.42–3.33)	0.7469
No	164	23	141
CKD/Renal dysfunction
Yes	18	7	11	1.67(0.61–4.56)	0.3147	0.88(0.25–3.09)	0.8425
No	179	25	154
HTN
Yes	87	18	69	1.79(0.83–3.84)	0.1357	1.01(0.43–2.35)	0.9817
No	10	14	96
Hypothyroidism
Yes	24	3	21	0.71(0.20–2.54)	0.5972	0.59(0.15–2.38)	0.4593
No	173	29	144
ACEI/ARBS
Yes	53	13	40	2.07(0.94–4.55)	0.0708	1.67(0.56–4.98)	0.4593
No	144	19	125
Loop diuretics
yes	23	4	19	1.10(0.35–3.47)	0.8739	1.44(0.45–4.61)	0.3552
No	174	28	146
Thiazide diuretics
Yes	19	3	16	0.96(0.26–3.52)	0.955	0.53(0.14–2.11)	0.5387
No	178	29	49
Potassium Sparing diuretics
Yes	8	1	7	0.73(0.086–6.13)	0.7703	2.16(0.25–18.6)	0.4824
No	189	31	158
Statin
Yes	76	18	58	2.37(1.10–5.11)	0.0275	1.41(0.57–3.47)	0.4576
No	121	14	107
B-blocker
Yes	43	10	33	1.82(0.79–4.21)	0.1626	1.69(0.57–5.02)	0.3487
No
Prednisolone
Yes	4	2	2	5.43(0.74–40.1)	0.0969	4.52(0.54–37.6)	0.1622
No
PPI
Yes	82	13	69	0.95(0.44–2.06)	0.9003	0.60(0.26–1.42)	0.2485
No	15	19	96
NSAIDs
Yes	22	7	15	2.80(1.04–7.55)	0.0419	2.57(0.98–6.72)	0.0547
No	175	25	150
Intraoperative fluid administered (missing = 44)		missing = 35	missing = 9
Mean	1600	1603	1587	1.00(1.00–1.00)	0.5182
Standard deviation	853	851	887