Table 1 Baseline demographic and clinical characteristics of HMV patients in Chile (n = 1105)
Characteristics | ||
Female | n (%) | 572 (51.8) |
Male | n (%) | 533 (48.2) |
Median age | Median [IQR] | 59 (44–68) |
BMI (n = 526) | Median [IQR] | 34.9 (26–46) |
Residence | ||
Urban (n) (%) | n (%) | 1088 (98.5) |
Rural (n) (%) | n (%) | 17 (1.5) |
State health insurance (according to monthly income in 2020) | ||
Grupo A and B (450 USD) | n (%) | 942 (85.4) |
Grupo C (> 450 y ≤ 657 USD) | n (%) | 82 (7.4) |
Group D (> 657 USD) | n (%) | 79 (7.2) |
Family APGAR (n = 435) | Median [IQR] | 10 (8–10) |
Baseline overall SRI Score | Median [IQR] | 47 (35–62.1) |
Comorbidities | ||
Arterial hypertension | n (%) | 710 (64.5) |
Diabetes | n (%) | 354 (32.2) |
Initiation of ventilation | ||
Acute | n (%) | 263 (23.8) |
Chronic | n (%) | 842 (76.2) |
Transferred from the children's program | n (%) | 99 (8.9) |
Patients with ≤ 90 days | n (%) | 74 (6.7) |
Patients with > 90 days | n (%) | 1031 (93.3) |
Diagnosis causing hypoventilation (Groups) | ||
(1) COPD | n (%) | 388 (35) |
(2) OHS | 264 (23.9) | |
(3) NMD | 180 (16.3) | |
(4) non-CF BC or TBC | 92 (8.3) | |
(5) SCOLIOSIS | 65 (5.9) | |
(6) ALS | 58 (5.24) | |
(7) OTHER DIAGNOSES | 58 (5.24) | |
Lung function (Spirometry) (n = 623) | ||
FVC (L) | Median [IQR] | 1.53 (1.06–2.07) |
FEV1 (L) | Median [IQR] | 0.88 (0.6–1.42) |
FEV1/FVC (%) | Median [IQR] | 71 (51–84) |
Arterial blood gas | ||
paO2 (mmHg) | Median [IQR] | 62 (54–72) |
paCO2 (mmHg) | Median [IQR] | 58.2 (52–65) |
HCO3− (mmol/L) | Median [IQR] | 32 (28–35) |