Research Article

Association between Neutrophil Percentage-to-Albumin Ratio and All-Cause Mortality in Critically Ill Patients with Coronary Artery Disease

Table 4

Subgroup analysis of associations between 30-day all-cause mortality and NPAR.

(reference)
HR (95% CIs)

HR (95% CIs)
for interaction

AMI0.886
 No30131.0 (ref)2.480 (1.904, 3.230)3.951 (3.072, 5.082)
 Yes931.0 (ref)1.450 (0.281, 7.477)2.878 (0.644, 12.863)
CHF0.862
 No15301.0 (ref)2.946 (1.956, 4.438)4.618 (3.149, 6.771)
 Yes15761.0 (ref)1.899 (1.353, 2.666)3.172 (2.290, 4.393)
AF0.912
 No18331.0 (ref)2.069 (1.470, 2.912)3.594 (2.610, 4.949)
 Yes12731.0 (ref)3.013 (2.000, 4.540)4.398 (2.960, 6.535)
Hypertension0.066
 No16301.0 (ref)2.197 (1.558, 3.099)3.169 (2.281, 4.403)
 Yes14761.0 (ref)2.459 (1.641, 3.682)4.528 (3.094, 6.629)
Diabetes0.934
 No18861.0 (ref)2.585 (1.839, 3.632)4.044 (2.936, 5.571)
 Yes12201.0 (ref)2.269 (1.511, 3.406)3.757 (2.534, 5.568)
Hypercholesterolemia0.149
 No18481.0 (ref)2.190 (1.572, 3.051)3.324 (2.426, 4.555)
 Yes12581.0 (ref)2.635 (1.722, 4.032)4.573 (3.043, 6.872)
Prior MI0.428
 No26131.0 (ref)2.428 (1.822, 3.236)4.020 (3.064, 5.276)
 Yes4931.0 (ref)2.412 (1.288, 4.518)3.371 (1.835, 6.190)
Beta-blockers0.700
 No6721.0 (ref)2.722 (1.639, 4.520)3.715 (2.283, 6.046)
 Yes24341.0 (ref)2.183 (1.605, 2.968)3.590 (2.682, 4.806)
Oral anticoagulant0.560
 No22641.0 (ref)2.512 (1.895, 3.330)3.744 (2.866, 4.890)
 Yes8421.0 (ref)2.494 (1.250, 4.976)4.468 (2.288, 8.725)
ACEIs0.907
 No16671.0 (ref)2.142 (1.567, 2.927)3.473 (2.590, 4.655)
 Yes14391.0 (ref)2.830 (1.761, 4.548)3.649 (2.278, 5.845)
ARBs0.452
 No28681.0 (ref)2.482 (1.903, 3.237)3.811 (2.960, 4.907)
 Yes2381.0 (ref)1.912 (0.478, 7.645)5.299 (1.435, 19.577)
BUN (mg/dL)0.003
 <2515421.0 (ref)3.535 (2.108, 5.929)5.892 (3.579, 9.701)
 ≥2515641.0 (ref)1.596 (1.180, 2.159)2.358 (1.772, 3.139)
Glucose (mg/dL)0.485
 <12315401.0 (ref)2.052 (1.387, 3.037)3.443 (2.393, 4.954)
 ≥12315661.0 (ref)2.767 (1.946, 3.934)4.421 (3.149, 6.209)
Platelet (109/L)0.858
 <20815391.0 (ref)2.287 (1.641, 3.187)3.990 (2.905, 5.480)
 ≥20815671.0 (ref)2.824 (1.844, 4.327)4.321 (2.880, 6.482)
WBC (109/L)0.134
 <1014091.0 (ref)2.010 (1.357, 2.976)2.797 (1.898, 4.123)
 ≥1016971.0 (ref)2.750 (1.931, 3.917)4.426 (3.167, 6.185)
ALT (U/L)0.436
 <2614881.0 (ref)2.647 (1.793, 3.909)4.349 (3.001, 6.304)
 ≥2616181.0 (ref)2.264 (1.593, 3.216)3.545 (2.540, 4.949)
INR0.046
 <1.212721.0 (ref)2.639 (1.685, 4.133)4.993 (3.289, 7.581)
 ≥1.218341.0 (ref)2.151 (1.559, 2.968)3.178 (2.334, 4.328)
LDL-C (mg/dL)0.380
 <84.115391.0 (ref)2.059 (1.441, 2.942)3.355 (2.402, 4.868)
 ≥84.115671.0 (ref)2.852 (1.946, 4.179)4.365 (3.010, 6.330)
HDL-C (mg/dL)0.732
 <43.515521.0 (ref)2.312 (1.592, 3.356)3.842 (2.711, 5.444)
 ≥43.515541.0 (ref)2.574 (1.787, 3.708)3.915 (2.744, 5.585)
TC (mg/dL)0.452
 <153.615171.0 (ref)2.458 (1.672, 3.614)3.663 (2.528, 5.307)
 ≥153.615891.0 (ref)2.457 (1.724, 3.503)4.182 (2.995, 5.839)
Troponin T (ng/mL)0.644
 <0.0214461.0 (ref)1.960 (1.297, 2.960)3.731 (2.565, 5.427)
 ≥0.0216601.0 (ref)2.622 (1.860, 3.697)3.890 (2.789, 5.425)
CRP (mg/L)0.127
 <13.015501.0 (ref)2.791 (2.023, 3.849)3.894 (2.736, 5.541)
 ≥13.015561.0 (ref)1.959 (1.254, 3.061)4.053 (2.732, 6.014)
SOFA0.099
 <515131.0 (ref)2.262 (1.408, 3.634)4.510 (2.882, 7.059)
 ≥515931.0 (ref)2.484 (1.817, 3.396)3.288 (2.441, 4.430)
SAPS II0.002
 <3914721.0 (ref)4.189 (2.310, 7.597)7.064 (3.940, 12.662)
 ≥3916341.0 (ref)1.789 (1.337, 2.395)2.477 (1.883, 3.259)
BMI (kg/m2)0.297
 <27.415641.0 (ref)2.245 (1.578, 3.194)3.412 (2.444, 4.764)
 ≥27.415421.0 (ref)2.579 (1.749, 3.802)4.296 (2.959, 6.235)
SBP (mmHg)0.410
 <11315471.0 (ref)2.421 (1.720, 3.408)3.564 (2.574, 4.933)
 ≥11315591.0 (ref)2.421 (1.617, 3.625)4.206 (2.865, 6.174)
DBP (mmHg)0.465
 <5715611.0 (ref)3.066 (2.053, 4.579)4.711 (3.211, 6.913)
 ≥5715451.0 (ref)2.201 (1.425, 2.866)3.355 (2.404, 4.682)
HR (beats/minute)0.149
 <8415701.0 (ref)3.182 (2.135, 4.743)5.012 (3.398, 7.393)
 ≥8415361.0 (ref)1.957 (1.382, 2.771)3.155 (2.286, 4.356)
ICU LOS (day)0.004
 <3.315541.0 (ref)3.009 (2.060, 4.397)5.284 (3.641, 7.671)
 ≥3.315521.0 (ref)1.832 (1.279, 2.624)2.709 (1.937, 3.788)

HR: hazard ratio; CI: confidence interval. AMI: acute myocardial infarction; CHF: chronic heart failure; AF: atrial fibrillation; Prior MI: prior myocardial infarction; ACEIs: angiotensin-converting enzyme inhibitors; ARBs: angiotensin receptor blockers; BUN: blood urea nitrogen; WBC: white blood cell; ALT: alanine aminotransferase; INR: international normalization ratio; LDL-C: low-density lipoprotein cholesterol; HDL-C: high-density lipoprotein cholesterol; TC: total cholesterol; CRP: C-reactive protein; SOFA: sequential organ failure assessment score; SAPS II: simplified acute physiology score II; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; HR: heart beat; ICU LOS: length of ICU stay.