Observational Study
Copyright ©The Author(s) 2021.
World J Diabetes. Dec 15, 2021; 12(12): 2107-2118
Published online Dec 15, 2021. doi: 10.4239/wjd.v12.i12.2107
Table 1 The comparison of the clinical and sociodemographic characteristics of patients with type 1 diabetes mellitus with and without seasonal influenza and pneumococcal vaccination status
Patients with T1DM, n = 454





Influenza vac (+), n = 107 (23.6%)
Influenza vac (-), n = 346 (76.4%)
P value
Pneumo. vac (+), n = 36 (8.0%)
Pneumo. vac (-), n = 415 (92.0%)
P value
Sex (female)72 (67.3)207 (59.8)0.16523 (63.9)254 (61.2)0.751
Age (yr)38.48 ± 13.6132.18 ± 11.58< 0.00142.34 ± 14.5132.94 ± 11.89< 0.001
Diabetes duration (yr)18.20 ± 11.2012.19 ± 9.33< 0.00118.17 ± 11.5213.23 ± 9.920.005
BMI (kg/m2)24.67 ± 4.2623.61 ± 4.080.02124.44 ± 3.7023.83 ± 4.180.399
SBP office (mm Hg)118.44 ± 13.83117.65 ± 15.350.635119.64 ± 15.30117.68 ± 14.990.452
DBP office (mm Hg)74.44 ± 9.6074.17 ± 9.440.79675.22 ± 9.4374.15 ± 9.510.518
HbA1c (%) (mmol/mol)8.24 ± 1.77 (66.61 ± 19.33)8.79 ± 2.04 (72.56 ± 22.33)0.0148.11 ± 2.05 (65.19 ± 22.42)8.71 ± 1.99 (71.70 ± 21.72)0.095
LDL-C (mg/dL)112.75 ± 39.00105.18 ± 35.670.072117.12 ± 35.19106.04 ± 36.650.086
TG (mg/dL)110.83 ± 74.83116.32 ± 170.150.754132.29 ± 82.02113.41 ± 158.080.486
HDL-C (mg/dL)60.23 ± 18.7056.32 ± 17.360.05657.78 ± 19.4957.01 ± 17.490.805
Macrovascular complications, n (%)12 (11.2)25 (7.2)0.1884 (11.1)33 (8.0)0.508
Microvascular complications, n (%)42 (39.3)125 (36.1)0.55817 (47.2)149 (35.9)0.177
Higher education, n (%)82 (76.6)255 (75.0)0.73231 (86.1)304 (74.3)0.116
Private care center, n (%)18 (16.8)23 (6.6)0.0016 (16.7)35 (8.4)0.099
Lower-income, n (%)18 (21.4)69 (25.7)0.4234 (14.3)83 (25.7)0.180
Current smoking, n (%)19 (17.8)98 (28.5)0.0279 (25.0)109 (26.3)0.862
Regular exercise, n (%)30 (28.3)67 (19.5)0.0559 (25.0)88 (21.4)0.616
Obesity, n (%)13 (12.3)26 (7.5)0.1304 (11.1)35 (8.5)0.590
Hypertension, n (%)33 (30.8)82 (23.8)0.14714 (38.9)102 (24.7)0.062
Dyslipidemia, n (%)84 (83.2)232 (70.9)0.01531 (88.6)284 (72.6)0.040
Statin treatment, n (%)23 (21.5)31 (9.0)< 0.0017 (19.4)47 (11.3)0.150
Insulin pump, n (%)25 (23.8)64 (18.6)0.2366 (16.7)82 (19.9)0.827
Achieving metabolic targets, n (%)
HbA1c on target (< 7%), (< 53 mmol/mol)16 (15.2)52 (15.4)0.9717 (20.6)61 (15.0)0.385
BP on target (< 130/80 mm Hg)98 (91.6)308 (89.5)0.53632 (89.9)371 (89.8)0.858
LDL-C on target (< 100 mg/dL)35 (35.7)162 (49.1)0.02010 (28.6)186 (47.6)0.031
Table 2 The comparison of the clinical and sociodemographic characteristics of patients with type 2 diabetes mellitus with and without seasonal influenza and pneumococcal vaccination status
Patients with T2DM, n = 4721





Influenza vac (+), n = 1003 (21.2%)
Influenza vac (-), n = 3718 (78.8%)
P value
Pneumo. vac (+), n = 330 (7.0%)
Pneumo. vac (-), n = 4366 (93.0%)
P value
Sex (female)525 (52.3)2251 (60.5)< 0.001180 (54.5)2581 (59.1)< 0.001
Age (yr)62.22 ± 9.9357.44 ± 10.36< 0.00163.97 ± 9.8358.02 ± 10.38< 0.001
Diabetes duration (yr)13.62 ± 8.3610.08 ± 7.09< 0.00114.10 ± 8.8410.57 ± 7.36< 0.001
BMI (kg/m2)31.60 ± 6.2832.39 ± 6.650.00431.08 ± 5.9432.21 ± 6.61< 0.001
SBP office (mm Hg)133.32 ± 18.15132.34 ± 18.400.138133.83 ± 17.63132.46 ± 18.400.191
DBP office (mm Hg)79.56 ± 10.8480.81 ± 10.790.00178.90 ± 10.2880.67 ± 10.860.004
HbA1c (%) (mmol/mol)7.54 ± 1.59 (58.95 ± 17.41)7.79 ± 1.78 (61.62 ± 19.49)< 0.0017.44 ± 1.59 (57.80 ± 17.33)7.76 ± 1.76 (61.29 ± 19.20)0.001
LDL-C (mg/dL)109.27 ± 35.76115.13 ± 36.15< 0.001107.80 ± 35.82114.32 ± 36.140.002
TG (mg/dL)169.75 ± 100.06185.77 ± 136.460.001172.21 ± 111.17183.20 ± 131.210.144
HDL-C (mg/dL)46.81 ± 12.5546.46 ± 13.040.46447.63 ± 11.9146.43 ± 12.970.109
Macrovascular complications, n (%)317 (31.6)827 (22.2)< 0.001119 (36.1)1013 (23.2)< 0.001
Microvascular complications, n (%)509 (50.7)1734 (46.6)0.021175 (53.0)2058 (47.1)0.039
Higher education, n (%)461 (46.7)1331 (36.3)< 0.001155 (47.7)1630 (37.9)< 0.001
Private care center, n (%)154 (15.4)319 (8.6)< 0.001154 (15.4)319 (8.6)< 0.001
Lower income, n (%)237 (29.8)981 (33.5)0.05254 (23.9)1157 (33.2)0.004
Current smoking, n (%)108 (10.8)491 (13.3)0.03926 (7.9)570 (13.1)0.006
Regular exercise, n (%)226 (22.9)688 (18.8)0.00387 (26.7)824 (19.2)0.001
Obesity, n (%)548 (55.2)2180 (59.4)0.016173 (52.9)2538 (58.9)0.034
Hypertension, n (%)768 (77.0)2433 (65.9)< 0.001258 (78.7)2924 (67.4)< 0.001
Dyslipidemia, n (%)939 (95.0)3457 (95.1)0.989310 (94.8)4061 (95.1)0.835
Statin treatment, n (%)531 (52.9)1333 (35.9)< 0.001196 (59.4)1659 (38.0)< 0.001
Achieving targets, n (%)
HbA1c on target (< 7%) (53 mmol/mol)434 (44.2)1417 (39.1)0.004165 (50.8)1677 (39.4)< 0.001
BP on target (< 130/80 mg/dL)700 (70.4)2563 (69.6)0.636249 (75.9)2999 (69.4)0.013
LDL-C on target (< 100 mg/dL)422 (43.6)1245 (35.5)< 0.001141 (43.9)1517 (36.7)0.010