Table 1 Patient’s characteristics

Age (years), Mean (SD)

69.5 (10.1)

67.8 (9.61)

 < 0.01^a

Gender, n (%)

 Male

2,904 (49.2)

2,380 (48.4)

0.42^b

 Female

2,997 (50.8)

2,534 (51.6)

Race, n (%)

 Chinese

4,386 (74.2)

3,627 (73.8)

0.05^b

 Malay

801 (13.6)

644 (13.1)

 Indian

428 (7.3)

346 (7.1)

 Others

286 (4.9)

297 (6.0)

CCI, Mean (SD)

0.68 (0.56)

0.84 (0.48)

 < 0.01^a

ASA Score, Mean (SD)

2.17 (0.49)

2.14 (0.48)

 < 0.01^a

Subsidy Status, n (%)

 Subsidised

4,545 (77.0)

3,712 (75.5)

0.07^b

 Unsubsidised

1,356 (23.0)

1,202 (24.5)