Table 1 Characteristics of development and testing datasets

From: Detecting visually significant cataract using retinal photograph-based deep learning

Characteristics

Development set

Internal test set

External test sets

SIMES

SIMES

SCES

SINDI

BES

Number of patients

4,138

900

3,011

2,945

2,488

Number of eyes

8,045

1,692

5,747

5,626

4,632

Age, years (s.d.)

60.8 (11.0)

59.41 (10.21)

58.43 (9.22)

57.13 (9.07)

63.87 (9.30)

Male gender, no. (%)

1,951 (47.2)

430 (47.78)

1,638 (49.82)

1,498 (50.87)

1,060 (42.60)

Visually significant cataracta (by eye), no. (%)

487 (6.1)

72 (4.26)

141 (2.45)

138 (2.45)

48 (1.04)

  1. Data presented as mean (s.d.) or no. (percentage), where appropriate.
  2. aCataract with BCVA < 20/60.