Table 2.

Correlation Between AAPR and Patient Characteristics in Training Cohort

	Pre-AAPR≤0.52	Pre-AAPR>0.52	p-value	Post-AAPR≤0.52	Post-AAPR>0.52	p-value
Age			0.99			0.12
<60	63 (50%)	37 (50%)		47 (44.8%)	53 (55.8%)
≥60	63 (50%)	37 (50%)		58 (55.2%)	42 (44.2%)
Sex			0.27			0.59
Male	102 (81%)	55 (74.3%)		84 (80%)	73 (76.8%)
Female	24 (19%)	19 (25.7%)		21 (20%)	22 (23.2%)
Marital			0.21			0.31
Married	120 (95.2%)	73 (98.6%)		100 (95.2%)	93 (97.9%)
Unmarried	6 (4.8%)	1 (1.4%)		5 (4.8%)	2 (2.1%)
BMI			0.73			0.36
BMI<18.5	6 (4.8%)	3 (4.1%)		5 (4.8%)	4 (4.2%)
18.5≥BMI<25	76 (60.3%)	41 (55.4%)		66 (62.8%)	51 (53.7%)
BMI≥25	44 (34.9%)	30 (40.5%)		34 (32.4%)	40 (42.1%)
Smoking History			0.80			0.85
No	42 (33.3%)	26 (35.1%)		33 (31.4%)	35 (36.8%)
Yes	84 (66.7%)	48 (64.9%)		72 (68.6%)	60 (63.2%)
Smoking Index			0.85			0.53
<800	80 (63.5%)	46 (62.2%)		64 (61%)	62 (65.3%)
≥800	46 (36.5%)	28 (37.8%)		41 (39%)	33 (34.7%)
KPS			0.085			0.37
≥90	66 (52.4%)	48 (66%)		63 (60%)	51 (53.7%)
<90	60 (47.6%)	26 (34%)		42 (40%)	44 (46.3%)
T Stage			0.17			0.082
T1-T2	47 (33.3%)	35 (62.7%)		37 (35.2%)	45 (47.4%)
T3-T4	79 (62.7%)	39 (52.7%)		68 (64.8%)	50 (52.6%)
N Stage			0.15			0.41
N0-N2	60 (47.6%)	43 (52.4%)		57 (54.3%)	46 (48.4%)
N3	66 (52.4%)	31 (41.9%)		48 (45.7%)	49 (51.6%)
Brain Metastasis			0.51			0.64
No	89 (70.6%)	49 (66.2%)		74 (70.5%)	64 (67.4%)
Yes	37 (29.4%)	25 (33.8%)		31 (29.5%)	31 (32.6%)
Liver Metastasis			0.005			0.17
No	78 (61.9%)	60 (81.1%)		68 (64.8%)	71 (73.7%)
Yes	48 (38.1%)	14 (18.9%)		37 (35.2%)	24 (26.3%)
Bone Metastasis			0.06			0.89
No	81 (64.3%)	57 (77%)		72 (68.6%)	66 (69.5%)
Yes	45 (35.7%)	17 (23%)		33 (31.4%)	29 (30.5%)
Thoracic Radiotherapy			0.25			0.53
No	90 (71.4%)	47 (63.5%)		74 (70.5%)	63 (66.3%)
Yes	36 (28.6%)	27 (36.5%)		31 (29.5%)	32 (33.7%)

Abbreviations: KPS, Karnofsky performance score; BMI, body mass index; AAPR, albumin-to-alkaline phosphatase ratio.