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. 2020 Dec 23;73(5):e1181–e1190. doi: 10.1093/cid/ciaa1870

Table 2.

Adjusted Baseline Demographic and Clinical Characteristics of Study Population

Baloxavir Oseltamivir Baloxavir Laninamivir Baloxavir Zanamivir
Characteristic N = 240 341.4 N = 238 657.8 SMD N = 227 633.9 N = 227 618.3 SMD N = 164 892.3 N = 163 701.7 SMD
Age, years
 1 to <2 4524.3 (1.9) 4052.3 (1.7) 0.01 108.0 (<0.1) 105.5 (<0.1) <0.01 107.0 (0.1) 119.9 (0.1) <0.01
 ≥2 to <5 20 581.4 (8.6) 19 556.6 (8.2) 0.01 1971.1 (0.9) 1973.8 (0.9) <0.01 1811.0 (1.1) 1816.1 (1.1) <0.01
 ≥5 to <18 72 693.4 (30.2) 72 636.0 (30.4) <0.01 75 151.6 (33.0) 75 181.2 (33.0) <0.01 57 299.9 (34.7) 57 692.9 (35.2) 0.01
 ≥18 to <65 139 660.2 (58.1) 139 521.4 (58.5) <0.01 147 656.6 (64.9) 147 605.9 (64.8) <0.01 103 719.4 (62.9) 102 112.3 (62.4) 0.01
 ≥65 2882.2 (1.2) 2891.5 (1.2) <0.01 2746.6 (1.2) 2751.9 (1.2) <0.01 1955.0 (1.2) 1960.4 (1.2) <0.01
Sex
 Male 134 638.5 (56.0) 133 537.5 (56.0) <0.01 127 490.0 (56.0) 127 395.1 (56.0) <0.01 92 370.5 (56.0) 88 175.4 (53.9) 0.04
 Female 105 702.9 (44.0) 105 120.3 (44.0) <0.01 100 143.9 (44.0) 100 223.2 (44.0) <0.01 72 521.7 (44.0) 75 526.3 (46.1) 0.04
Type of influenza
 A virus 169 211.8 (70.4) 168 300.2 (70.5) <0.01 163 433.2 (71.8) 163 420.6 (71.8) <0.01 118 370.3 (71.8) 116 356.6 (71.1) 0.02
 B virus 1683.5 (0.7) 1657.8 (0.7) <0.01 1693.1 (0.7) 1686.2 (0.7) <0.01 1182.8 (0.7) 1203.3 (0.7) <0.01
 A and B virus 43.2 (<0.1) 45.2 (<0.1) <0.01 49.4 (<0.1) 50.0 (<0.1) <0.01 31.0 (<0.1) 60.7 (<0.1) 0.01
 Unknown 69 402.8 (28.9) 68 654.6 (28.8) <0.01 62 458.2 (27.4) 62 461.5 (27.4) <0.01 45 308.2 (27.5) 46 081.2 (28.1) 0.01
Steroid use 758.1 (0.3) 748.3 (0.3) <0.01 771.1 (0.3) 767.5 (0.3) <0.01 517.5 (0.3) 459.4 (0.3) <0.01
Dialysis use 127.8 (0.1) 129.9 (0.1) <0.01 37.1 (<0.1) 37.4 (<0.1) <0.01 20.7 (<0.1) 16.6 (<0.1) <0.01
Presence of the following comorbidities:
 Respiratory coinfectiona 134 428.5 (55.9) 134 519.8 (56.4) <0.01 132 074.8 (58.0) 131 973.9 (58.0) <0.01 95 659.9 (58.0) 94 354.7 (57.6) <0.01
 Asthmab 42 217.2 (17.6) 39 287.0 (16.5) 0.03 25 473.4 (11.2) 25 401.5 (11.2) <0.01 19 340.7 (11.7) 19 599.7 (12.0) <0.01
 Diabetes mellitusc 3660.1 (1.5) 3648.3 (1.5) <0.01 3714.1 (1.6) 3717.2 (1.6) <0.01 2543.5 (1.5) 2475.8 (1.5) <0.01
 Chronic obstructive pulmonary disease 1645.8 (0.7) 1592.2 (0.7) <0.01 1408.1 (0.6) 1407.1 (0.6) <0.01 989.6 (0.6) 998.5 (0.6) <0.01
 Cardiovascular disease 2729.8 (1.1) 2731.1 (1.1) <0.01 2612.2 (1.1) 2623.8 (1.2) <0.01 1815.4 (1.1) 1868.2 (1.1) <0.01
 Cerebrovascular disease 1997.8 (0.8) 1995.6 (0.8) <0.01 2017.1 (0.9) 2023.2 (0.9) <0.01 1409.6 (0.9) 1446.4 (0.9) <0.01
 Mental disease including dementia 14 138.7 (5.9) 14 021.8 (5.9) <0.01 12 997.4 (5.7) 13 009.7 (5.7) <0.01 9484.1 (5.8) 9453.6 (5.8) <0.01
 Neurological disease 16 233.3 (6.8) 16 174.1 (6.8) <0.01 16 372.8 (7.2) 16 372.9 (7.2) <0.01 11 597.8 (7.0) 11 652.8 (7.1) <0.01
 Anemia 5062.0 (2.1) 5154.8 (2.2) <0.01 5179.3 (2.3) 5170.0 (2.3) <0.01 3538.4 (2.1) 3549.1 (2.2) <0.01
 Immune deficiency 277.7 (0.1) 268.6 (0.1) <0.01 261.2 (0.1) 259.2 (0.1) <0.01 177.8 (0.1) 198.1 (0.1) <0.01
 Hepatic disease 6912.4 (2.9) 6930.9 (2.9) <0.01 7078.3 (3.1) 7081.3 (3.1) <0.01 4849.3 (2.9) 4781.4 (2.9) <0.01
 Malignant tumor 2446.5 (1.0) 2423.1 (1.0) <0.01 2526.7 (1.1) 2529.7 (1.1) <0.01 1742.1 (1.1) 1638.3 (1.0) <0.01

Data are n (%). Adjustment (standardization) was performed according to the inverse probability of treatment weighting method using a propensity score with each item as a covariate. SMD <0.1 indicated the characteristics were balanced between the comparison pairs.

Abbreviation: SMD, standardized mean difference.

aExcluding pneumonia

bDiagnosis based on administration of disease-related medication World Health Organization Anatomical Therapeutic Chemical Classification (WHO-ATC) code R03.

cDiagnosis based on administration of disease-related medication WHO-ATC code A10.