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Table 1 Cases of all cardiac incidences reported from May 2010 to April 2012 in the Cardiology department of a leading hospital in Bangladesh (Sher-E-Bangla Medical College)

From: Effect of seasonal variation on hospital admission due to cardiovascular disease - findings from an observational study in a divisional hospital in Bangladesh

 

Total Patients

Summer

Autumn

Winter

Spring

p – value (Winter versus other seasons)

 

no.

n (%)

n (%)

n (%)

n (%)

vs Summer

vs Autumn

vs Spring

All Cases

8371

1648 (19.7)

2015 (24.1)

2839 (33.9)

1869 (22.3)

0.018

0.020

0.023

Acute MI

2374

491 (20.7)

541 (22.8)

714 (30.1)

628 (26.4)

0.012

0.015

0.082

Old MI

566

108 (19.1)

141 (24.9)

210 (37.1)

107 (18.9)

0.005

0.021

0.016

NSTEMI

475

65 (13.7)

125 (26.3)

191 (40.2)

94 (19.8)

0.002

0.009

0.002

Unstable Angina

1277

262 (20.5)

336 (26.3)

423 (33.1)

256 (20.1)

0.003

0.063

0.004

Stable Angina

411

39 (9.5)

66 (16.1)

192 (46.7)

114 (27.7)

0.039

0.037

0.126

Acute LVF

1582

354 (22.4)

401 (25.3)

513 (32.5)

314 (19.8)

0.050

0.079

0.017

ICM / HF / DCM

471

64 (13.5)

89 (18.9)

199 (42.3)

119 (25.3)

0.041

0.056

0.122

Syncope

78

9 (11.5)

18 (23.1)

34 (43.6)

17 (21.8)

0.001

0.003

0.012

Arrhythmia

358

80 (22.3)

106 (29.6)

119 (33.3)

53 (14.8)

0.052

0.485

0.059

Cardiac Death

779

176 (22.6)

192 (24.6)

244 (31.3)

167 (21.5)

0.044

0.050

0.014

  1. Data reported as “n” refer to adjusted seasonal average number of admission by seasons and by diseases. p-values were calculated by t-tests. p < 0.05 was considered statistically significant.